The act of masturbating using garlic bread or the grease from garlic bread. This has been known to cause plane crashes and affect Counter-Strike:Source performance positively.
Woman: "What happened to that plane!!!!"
Man: "The pilot was basterbating..."
Man:"Yep, Virgin Airways has lost 4 planes this year to basterbating. It's a tragedy."
MooN: "Woah, Grazi is bhopping like a boss!!!"
PedoBear: "Yah, what's up with that?"
Grazi:"Sorry, what? I was busy basterbating"