Inspired by ''Thunder Down Under'' in Vegas. When a woman is corrected by being beaten by a mans large penis. Also known as the ''T-Slap''.
''I took this fat girl home last night to give her a chance, she kept complaining so I had to Thunder Slap her chunky face...''
by nbromoney June 27, 2009
The Thunder slap is an act of which while driving a car, an intoxicated or sober passenger reaches out while driving 10+ MPH and Slaps another human being.
by PPMonster March 22, 2012