A Squib, also known as a wizard-born, was a non-magical person who was born to at least one magical parent. Squibs were, in essence, "wizard-born Muggles". They were rare and were looked upon with a degree of disdain by some witches and wizards, particularly pure-bloods.
For obvious reasons, Squibs usually lead Muggle lifestyles, and are known to be sent to Muggle schools. Some voluntarily choose to cut themselves off from the wizarding world altogether, like Isolt Sayre's Squib daughter Martha. Others live as allies to wizardkind, like Arabella Figg.
Though nominally a Muggle-born witch, Hermione is descended from the Dagworth-Granger family through her father's squib heritage.
In regard to the HP novels, most of the theory comes to fruition inside of Hogwarts. Squibs are forbidden from attending the school on the grounds that, since they have no magical abilities, they could not survive at the school of magic.
Notable Squib Characters in the Wizarding World
Mrs. Figg is a great example of a Squib being able to participate in the Wizarding World, a privilege a regular Muggle would not get. Mrs. Figg is personally tasked by Dumbledore to keep an eye on Harry Potter without revealing her identity to him.
The fan asked the author if Aunt Petunia was a Squib (a non-magical person who is born to at least one magical parent) and Rowling replied: "Good question. No, she is not, she is not a Squib. She is a Muggle.
Albus Severus is the main character in "Harry Potter and the Cursed Child." He's the ugly duckling of the family, is sorted into Slytherin, befriends Scorpius Malfoy, and isn't good at magic. He's nicknamed "Albus Potter, the Slytherin Squib."
(n) a person who decides for spurious or selfish reasons not to honor an undertaking (to take part). (v) to withdraw from an undertaking: "That person is a squib".
Some maintain that Rowling is a Squib — a non-magical person unlucky enough to be born to a Magical family. Recall that his status as a Squib is why Hogwarts caretaker Argus Filch was always so bitter.
Fandoms: Harry Potter - J. K. Rowling
Draco Malfoy's first recorded incident of accidental magic occurs at seven. This is also when he realises that he's a squib. Needless to say, the two are related.
Her real parents were Daneel and Dean Novak, Pureblooded wizards. Turns out Daneel was Tom Riddles younger sister, Daneel Riddle. Of course, the Riddles were related to Salzar Slytherin himself, and this made Hermione the living heir of Slytherin.
Harry is the Heir of Gryffindor (though his powers have been bound by his father when he was a baby), Neville is the Heir of Hufflepuff, Meghan (OFC, daughter of Sirius) is the Heir of Ravenclaw.
In Harry Potter and the Deathly Hallows: Part 1, Bellatrix used her knife to carve the word "mudblood" into Hermione Granger's arm.
It is unclear as to Lord Voldemort's attitude towards Squibs. He had personally noted throughout his life that he aims to purge Muggle-born wizards and witches for "stealing" magic. However, as Argus Filch was allowed to remain in Hogwarts, it is likely they weren't prosecuted as blood traitors.
Because, if you follow the definition to the letter, if a child has wizarding grandparents, then he IS considered a pure-blood, even if his parents are NOT wizards themselves. That would mean that someone born to two "pure-blood" squibs is a pureblood, even though both parents have no magical affinity.
If a pure-blood squib marries a muggle, then has a magical child. That child would be considered half-blood. If two pure-blood squibs marry, and have a magical child. That child would be considered pure-blood.
The term "Squib" is only used in the Harry Potter films once and is never really explained, but it is an interesting phenomenon in the series nonetheless. It is also imperative to define because Squibs can play an important role in the Wizarding World.
It is stated all "pure-blood" families are interrelated. Muggle-borns are children of Muggles and have the magic gene possibly because of a squib, half-blood or pure-blood ancestor. Squibs are born into half-blood/pure-blood families but do not possess the power to use magic (though they would be carriers of the gene).
Bludger. (Noun) A lazy person. “I'm running around like a headless chook organising this bloody barbie, and Johnno's just sitting there like a bludger!”
To biff means to fall hard. Also a biff is a person who isn't required to think much while doing his job but it could also mean to mess up/make a mistake.
The growler evolved from there into a 64oz (1.89L) brown glass bottle with a handle that is used to take home your favourite beer from your local brewpub or brewery.
Scorpius Malfoy
He joins Hogwarts at the same time as Albus Potter, forming an unlike friendship on the Hogwarts Express. This grows when the two of them are sorted into the same house, Slytherin. Unlike Draco, Scorpius focuses his Slytherin-like determination into his studies, being an avid reader.
Much of the plot hinges on Harry's tumultuous relationship with his son, Albus — a relationship that culminates in Harry saying, “Sometimes I wish you weren't my son!” And I knew, in my heart of hearts, that Harry would never say that. He just wouldn't.
He is proud
Pride is a key Slytherin trait, and arguably Albus has it in cauldrons. Sometimes this is to his advantage, like when he takes pride in having a friend like Scorpius Malfoy, who is funny and clever and kind, no matter what the rumours say about him and his parentage.