Invisible PunchBuggy Share definition Flag A reason to hit somebody when you fart. When you pass gas say "Invisible PunchBuggy" and punch someone as you would in a normal punchbuggy. *fart* Haha invisible punchbuggy! *punch* Ow!! Invisible PunchBuggy by manicpanicd July 23, 2008 Get the Invisible PunchBuggy mug.