thumb beat

To beat someone with your thumb, only using your thumb and a whipping motion you hit them on the head.. or arm..Thumb beats are Dope.

Mike is on the back seat of the bus raises hit and and smacks cold on the head infront of him cole yells out nice thumb beat and returns the favor

Thumb beat

THe act of using your thumb as a weapon, b whiping it with your wrist and delivering devistating pian on someones head.

Matt: whats a thumb beat,
Thomas: here ill show you,
Matt: Oww WTF