A Mermaid's Purse is when an individual defacates into a womans vagina, the woman then hovers over the face of the individual and lets it fall onto his or her face.
John and Linda wanted to spice up their relationship so during sex, he took a hot, steamy, crap in Linda's vagina and she reciprocated by giving John a Mermaid's Purse.
The scrotum of a dog after its testes have been removed via surgical neutering. Merriam Webster and Oxford differ on whether a Mermaid’s Purse that has been refilled with neuticles still qualifies for the definition.
After getting neutered, that previously manly Maltipoo, Sea Bass, is little more than a rabbit, popping around the yard with that Mermaid’s Purse.
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.
FRIEND A: "Did you just take a stealthie of me?"
FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"