Top definition
an std-infested female who sleeps around with a lot of males, causing a devastating contaminated sexual battlefield (in reference to the pat benetar song "love is a battlefield") anyways, among most men biowarfare is banned but some of men who are desperate to prove themselves will enter its dark realms.
guy #1 "Man, I wouldn't go near her, shes biowarfare"

guy #2 "true dat holmz but I havent gotten any in months, so ill risk it"
by Classified#1 April 21, 2011
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug