Top Definition
when on/in a moving vehicle and there is a very sudden unexpected need to stop quickly, panic monkey braking occurs. this is the kind of braking where there is a cold sweat generated that drips (usually down your buttcrack) that you don't feel until after you are past the incident (assuming you didn't hit whatever it was that you were braking to avoid).
i was riding my triumph street triple in lincoln park at night yesterday when a stealthy 200 pound dog bolted out into the street in front of me between two cars! panic monkey braking ensued, and i was able to avoid hitting him, but i *will* need a new set of underwear.
by dhr46 May 18, 2011
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