What is Chest Beater?
1.
A retard,one who beats chest like a retard
That chest beater, window licking bastard, wears a helmet when riding the short bus.
See
2.
A person 'specially-abled' that tends to hit his/her hand against his/her chest in rapid succion without mental control.
A name used to describe a person after he/she does something stupid.
"Hey look, at that chest beater."
"I can't believe you broke that, you chest beater!"
"Ohh, chest beater!"