A bi-product of vaginal liquids stored in the vagina over time which has femented into a fishy tasting paste.
KevinBlock: "I tried to go down on my girl last night but her coochie smelled like a dead fish."
Walter: "Bro just wait until you find the fishpaste down there."
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.