A really really silly looking animal or person. More commonly used towards animals. Less commonly used to describe people, unless their combination of facial features is really really really silly looking!
B: Awww what a cute cat, what's his name?
G: Yawni.
B: Yawnnniii to the McGeester face to the McGuyster face!
Person: dude, look at that guy.
Other person: omg, thats a McGeester Face if I've ever seen one!
Noun: (bee-ja mick-gee-ves) beej mcgeevs refers to receiving oral sex from a girl. An extrapolated version of BJ, which of course is a shortened version of blow job, which is of course slang for oral sex.
Derek: "Yo, my dude, you pipe that last night?"
Mike: "Nah braj, she just gave me a beej mcgeevs"
Other usage:
Sam: "I'll take a beej mcgeevs from Anyone"
Eddie: "Even a one armed broad?"
Sam: "Anyone...."
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.