1: A person possessing all of the characteristics and woeful qualities of a cunt, with the added trait of being abysmally stupid.
2: a stupid cunt who makes stupid decisions, constantly dribbling stupid nonsense from their mouths.
Short for the common gaming sentence " shut the fuck up nigga that's why I fucked your mom". Commonly said after someone said some slick shut instead of just saying gg
Person A: Why are you so badate this game?
Person B: stfuntwifym
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.