(Verb) The act of giving dick on a frequent manner to a chick who is demanding something stable between both parties involved. Usually involves the woman asking for a serious commitment while the man only wants to fuck. The man just wants to show he's committed to sex.
Rachael: I feel we need to define and establish a stable relationship going forward! I'm tired of all the uncertainty, I need to know what you are willing to offer.
Dave: Frankly my dear, at this moment all I can offer you is some cockstability!
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.