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."
"No way, what is he doing now?"
"Blindsiding old ladies with that plank."
by Not_TPO May 18, 2009