Bio-hazard

Someone who will give you their entire life story at the slightest provocation.
"She had me cornered for an hour, telling me about her childhood; she's such a bio-hazard."
by Pages2Type February 04, 2010
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bio hazard

to fart on ones hand then smear it on someone elses face, preferable the nose and mouth
I gave johnny a killer bio hazard.
by Jack Manzo September 02, 2003
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