Instead the throat is closed to cut the word off. Thus 'bit' might sound more like 'bih' (with a short and truncated vowel), or 'water' as 'wa-er'. The final 'g' is often elided (e.g. 'walking' sounds like 'walkin').
You can say “aye” (yes) or “nae” (no).
The most polite and idiomatic way to ask would be "Please may I get some water". "May I have" is also fine, but it sounds like you're asking them to get the water for you.
THE LOO. The 'loo' is very common in the UK & Ireland, and is a safe and polite way to say toilet.
Loch (/lɒx/) is the Scottish Gaelic, Scots and Irish word for a lake or sea inlet.
SWALLIE n an alcoholic drink.
Glais (Archaic Gaelic) River [glash] Uisge (Gaelic) Water [ooshka] Sometimes used for a watercourse. Srath (Gaelic) Strath / glen / valley.
Bonnie. Used in Scotland, this word means "pretty" or "beautiful", and is normally used in reference to a woman. Some think it has its origins in the French word bon, meaning "good".
Pissed / Pished
However it is probably the most commonly used word in the UK to describe being drunk. If you spend any time in the UK, you will hear it all the time.
Cheeky. Brits are famous for their sense of humour, and we like to take life a little less seriously than other nations do. We take pleasure in being playful, so we often use the word “cheeky” to describe small, fun, frivolous activities that make us smile.
Perhaps the most famous Scottish sayings of all time is “Auld Lang Syne”. This was made famous by Robert Burns' song, sang globally at New Year. The translation can be taken as “old long since” or “old long ago” meaning “days gone by” and when sung at New Years really means “let's drink to days gone by”.
BONAILIE n farewell, a parting toast.