twat bucket - 1)derogatory name for someone, usually female, who behaves like such a twat, it's necessary to add the word "bucket" for emphasis to make it even nastier. 2)derogatory term for someone who is more than just a twat, she's nastier than a twat, she is as nasty as the bucket twats are carried in. 3) a very absorbent feminine hygiene product

A swimmer

literally, a bucket of twats. also, a person who is a fucking pussy or whatnot.