German

Found some 'useful' German colloquialisms which u may find it 'helpful'

arschloch - bastard
bekloppt - crazy
bescheuert - crazy/daft
besoffen - pissed/smashed
blodsinn - nonsense
doof - stupid
du spinnst wohl! - u're out of ur mind
mist! - shit!
sauer - pissed off
schei'B'e! - shit!
schnauze! - shut ur mouth!
schwachkopf - idiot
schwul - gay
verdammt noch mal! - bloody hell!

Warning : try it at ur own risk!