1. a man who is effeminate in his manner and fussy in the way he dresses
2. someone who procures customers for whores (in England they call a pimp a ponce)
1. (Britain, slang) Hence, to try to get rid of or proactively sell something.
2. (Britain, pejorative) To behave in a posh or effeminate manner.
3. (Britain, slang) To borrow (something) from somebody without returning it.