A wild, frenzied state of mind and emotion aroused by intenseanger, excitement, or surprise that can be compared to the primitive behavior of an ape-like creature
Sam was chimping out when a shit-bag on the road rear ended his brand new Honda Accord.
When you and your buddies get so high and/or drunk that you can not help but listen to Chip Tha Ripper and rap and dance along with it.
"Dude it was so dope, the other night we at this party smokin a spliff and drinkin Lokos and we just started Chippin' Out when that Chip Tha Ripper song "Catch the Beat" came on.
The sudden, primal urge to pickfuzz, hair, leaves, lint, or tiny bugs off someone, the same way a chimpanzee grooms its troop. It’s that instinctive “let me get that off you” feeling that hits out
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.