or Bee Tee. Abbreviation for bong toke.
A scavenger would say. "Can I get a BT?"
A jaw droppingly obscene sex act involving a set of moose antlers, a jug of Maple Syrup, and the Stanley Cup.
Last night at that party over in Queen's West, they showed a porno of someone actually doing Canada's History! I thought it was just an urban legend, eh?