a person who is clearly ill and doesn't have enough sense or concern for those around them to stay home from work and out of the general public. Also applys to someone who injures them-self and instead of cleaning the wound and covering it walks around with blood dripping as if it is a badge of honor. No one wants to come in contact with your bodily fluids!!!
Man, you are a frickin' biohazard! Go home before you get us all sick!
by #1 germaphobe March 19, 2009
A symbol representing a biological hazard is around, take extreme precautions to this sign, area's may be contaminated...
My tattoo is a biohazard symbol.
by Blicka January 01, 2006
A decent rap metal band. Sounds like a mix between PanterA and Beastie Boys.
Check out the song "Domination", its great.
by [mike] May 30, 2005
Resident Evil in Japan. While the name in the U.S. is Resident Evil, it's also known as Biohazard in Japan.
Dude yesterday I got Biohazard 4 for my Gamecube... man it kicks so much ass...
by RTJ1987 January 27, 2006
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
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
A slutty female who has a lot of sex with a lot of different men without the use of a condom. She is presumed to have a lot of STD's. She uses her body as a biological weapon by spreading diseases through sexual intercourse.
Dang that girl is a biohazard! Don't sleep with her or you might catch chlamydia.
by Bubblz April 03, 2014