Definitions by Ashley Anne Lawson (Cubbie)
Mammal Punch
An action of which you make the letter 'M' in sigh language with your fist then punching your target in the shoulder; usually this is done by the coolest of the coolest mammals (leaders, gold/silver/bronze badge holders, CraCra Mammal Crew).
Mammal Punch by Ashley Anne Lawson (Cubbie) September 11, 2003