1 definition by Ash Conman

Tophat is cockney rhyming slang for "Twat" or from the scientific point of view, the female genitalia.

"Twat" is very common British slang therefore all yanks should permanently carve the meaning into their heads when visiting the UK.
OMFGZZZ what are you doing you complete and utter tophat!!!
by Ash Conman January 8, 2005
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