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!
by Chicken_grundle March 10, 2011
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