Naw. You heard wrong.
Lit Yeti Farts (LYF) are banned under the Geneva convention as a weapon of mass destruction. If I had been doing such, most of the North American continental plate would be a barren wasteland.
Although, as Lindy and Johannes prove, the level of discourse around here is such that one could respond to them yet at the same time have plenty of spare clock cycles to, say, play chess, do derivations in first order logic with flagging... Or even, yes, light farts.
Yeti