Top definition
The biological agent that turns innocent civilians into obnoxious scumbags who ride a plank with wheels.
"Mikey totally got exposed to sk8r bio last night."

"No way, what is he doing now?"

"Blindsiding old ladies with that plank."
by Not_TPO May 18, 2009
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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