Derived from Britain. To be completely and utterly illogical in an argumentative setting.

A Dunster is some one who is dense in the worst way. A term derived from duns cap, and shyster. A term created in Canada for describing complete idiots.

Noun - The name given to a close friend (aka homie) that is comatose at a party. When your dunny drinks too many roofy Coolattas at a party and can no longer communicate, he becomes a dunster.

Going on vacation with the same group of people every year.

Socializing with the same people every week.