1 definition by Thiccboi223

12 incher

Loudly and aggressively Slapping your massive penis’s mushroom tip against your kneecaps to the point of brushing or laceration while bracing the shaft between ones forearms.

You know that John broke his fucking right kneecap by aggressively whipping out his 12 incher

by Thiccboi223 September 2, 2022