Sometimes the British just say it cooler...

Fav British Slang Words
Bugger off or Sodd off
Loo
Flat
Knickers
Bollocks
Rubbish
Wanker
Bender
Bloody
Fancy
Knob
On about
Pissed
Row
Telly
Full stop

Not So-Fav British Slang Words
Jumper
Pants- when referring to underpants, briefs or boxers