(adj/noun)being and ignorant dick/ass/bitch; often used as a comeback towards critisizm or in place of a noun.
turbett says,"Your so gay".
then you respond with,"your such a stupidfuckingdickhole cocktooh asmunching cockworshiping cockmunk mother fucker that no one likes/loves or ever will like/love".
or
HEY COCKTOOTH! GET OVER HERE.
or
YOUR A COCKTOOTH
Much like a sweettooth where the person craves sweets like candies or cookies, the person being referenced is a male who has a craving for the male penis.
she doesnt trust her boyfriend to be alone with other guys, she says he has a cocktooth.
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.