Something, usually a situation, that you can get into that can have very persistent effects much like stepping into "dogshit". Scrapping the soles of your
shoes for days trying to get all the
nasty, shit-smelling turdbits off your fancy running
shoes is not fun.
Joe saw the "dogshit" and got out of that shithole bar before all hell
broke loose.
Jim knew that Jill was "dogshit"
crazy and might fucking kill him with a butcher knife, so he kept a safe distance away from her
vagina area.