haztwat Share definition Flag Like hazmat, haztwat is a hazardous or dangerous twat or pussy because of all that nasty shit coming out of there. Danny G went down on Martha's smelly slit without wearing his haztwat mask. haztwat by TomJefferson August 9, 2016 0 0 Get merch Get the haztwat mug. Buy Now — $32.95 See more merch