Declaration of this magic phrase upon observing a Volkwaggon Bettle before its being voiced by one's accompaning passenger in a vechile entitles a person to a warrented, fully justified, and unretaliatable jab in the arm of the accompaning passenger. This rule supersedes all existing laws on assault in all jurisdictions within the continental United States, Canada, and some participating regions of Mexico not under the control of the drug cartels.
A souped-up VW Bug sailed into view and so Sally yelled, "Punch Buggy!" and pursuant to the universal Punch Buggy Law immediately laid a blow to Johnny's arm.
An annoying trend in which a person punches another person in the arm after seeing a Volkswagon Beetle (Bug).
"Punch buggy no punch back!"