slugmite Share definition Flag To act as a fowl, dirty, and sometimes even a nasty disgusting person. :to be worth far less then the life of a homeless person. Guy 1: why are you acting like a slugmite?Girl 1: I am not a nasty slugmite slugmite by Soul R. Zombi June 17, 2013 0 0 Get merch Get the slugmite mug. Buy Now — $32.95 See more merch