A bin in which to chunder. Commonly found at fancy dress parties, if you turn up and are not considered to have put enough effort into your costume you may be sent to the chunder bin area. Here you must consume enough alcohol to make you throw up, before being allowed to enter the actual party. More's the shame if your a complete heavy weight.
"Dude, are you going to that costume party on monday?"
"Yeh, I hear theres gonna be a chunder bin"
"Shit, I better work on my outfit!"
"This is a costume party, why are you wearing jeans and a t shirt?"
"I've come as 'sexy'"
"No way mate, thats crap, get into the chunder bin"