London (UK) slang for face. If you want to sound 'gangsta' then try and pronounce it with an exaggerated pretend Jamaican accent, like Booooaht
Gwendolen: Shut up, Algernon, you little waste man. Everyone knows your mum did it with the postman down the back of the Savoy!
Algernon: You want a clap across the boat?
Algernon: You want a clap across the boat?
by bignose June 18, 2007
by definitely not mr. cee June 13, 2010
by Kieran Mc July 12, 2005
by Cat-Satan November 10, 2010
"Tony Blair - What a BOAT!!"
by Neon Kampf March 19, 2009
When you drive your car through a large puddle of water in the gutter of a street so fast that you soak pedestrians walking alongside said road with a huge and filthy wave.
During yesterday’s rainstorm, we went boating in my pickup truck and soaked a fat jogger with a dirty wave so big it knocked his hat off.
by Goofnut March 16, 2023