To be severely affected by alcohol. Usually accompanied by loss of co-ordination, slurred speech and dishevelled appearance.
e.g. "I was so stonkered last night that I vomited on your cat."
e.g. "That guy's too stonkered to care that he just fell into the urinal."
An acronym for, and more polite way to say, Big Stinky Dump.
e.g. "Why does your housemate, Tina, always take a BSD right before I want to use the bathroom to brush my teeth?"
e.g. "I'd really love to have anal sex with you tonight, could you please have a BSD and shower before I come over?"