A penis that has been caught in A Zip and has split the foreskin. When a woman gently blows (blows air)the forskin opens like a Cobra when about to attack.
As Toby ran naked down the street, his cobra dick was flapping every where.
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.