Mash

To ride a bicycle furiously through traffic without any disregard for cars, traffic lights, pedestrians, stop signs, or the fucking man.

To hit on someone or fool around with them. Synonomous with mack

adjective: often representing the excitement, euphoria, and adrenaline one experiences riding a fixed gear bicycle on the road after they see an intensely congested street of automobiles, buses, other cyclists, etc.

The act of a bird fluffing it's feathers in a dog-like shake.

A guy that seduces multiple women at once, regardless of whether he’s in a relationship or not. Mash will usually talk to women from different areas, so that they will not learn of each other’s existences.

BASEBALL:TO BE A PROLIFIC HITTER OF TAPE MEASURE HOMERUNS.CANSECO...MC GWIRE...BONDS...SHEFFIELD

To press forcefully down on the exelerater of an automobile with the intention to speed away from the po-po, a rival gang, or to whip ones ride into a spin out.