An Australian party trick in which a participant will have drugs shot into their rectum with a whipped cream dispenser. To complete a Blowtart, participants pour powdered drugs into the nozzle of the dispenser and a willing participant pulls down their pants and gets a friend to insert the nozzle of the dispenser into the participants anus. Spectators can call out "3, 2, 1, blast off!" as the trigger is squeezed and the gas from the whipped cream dispenser launches cocaine, ketamine or any other number of drugs up the participants rectum.
1:A cokehead of usually the younger female, although can be male, persuasion who is convinced and will attempt to convince others that they are addicted to cocaine when they only do it rarely or at large parties.