A fat person who eats whatever they want 'cause they think they're skinny. Usually they are happy people and try to hang with the "cool" kids at school.
Bob- "Hey, look at Stacey over there."
Jim- "Yah. I hear she's overexic."
the act of overeating hot mexican food and paying for it later on the shitter. Often occurs at hole-in-the-wall mexican restaurants or fast food (quantity before quality) vendors.
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.