A Japanese-inspired Russian sex position. It involves battering up in panko bread crumbs and blowing your partner until enlightenment has been reached.
Wayne: Yeah bruv got some pills off jose manuel last night innit
Jeremy: Oh marvellous my good friend, how was that for you?
Wayne: Yeah bra, got turbo boshed innit
A word used to describe a person that has been partying excessively, generally involving a butt load of drugs (often literally) and alcohol.
Carly: Hey Shano, I won't make it to your birthday dinner sorry, I'm totally booshed right now.
Shano: You absolute boosh lord. Get yourself another 50 bag of amphetamines and get your ass down here or we're never speaking again!
Campbell: Hey Sal, you keen to listen to some ambient music after this?
Sally: Hell no! I invited 30 people back to our house and we're getting totally booshed!