He then finds one of his guy friends and then quickly opens his fist right against there nose, releasing a whole lot of toxic fumes right into the unlucky guys nostrils.
Guy 1: Hey, Dude, smell that?
Guy 2: *Turns* What?
Guy 1: This!*Unclenches fist under Guy 2's nostrils, and he begins a coughing fit while Guy 1 Laughs*