When youre playing Rainbow Six Siege and youre leading 3-0 but somehow the enemy manages to make it 4-4 but you dont know how. Thats why we call it Schwanzboost, this indicates that the enemies Penis is growing larger thus allowing more oxygen to be produced thus making their reflexes almost hacker like. Or they mightve called their Grandpa whos a Veteran.

A term used to reference cannabis/marijuana/weed.