2. The photographer was caught chimping on the sideline after a play and missed the interception shot.
Person A- "Wanna hang with Brian tonight?"
Person B- "Nah, that dude's a chimp."
Person A- "Ahhh oh no (insert complaint about whatever)!
Person B- "Yooo quit chimpin'."
Person A- "Woah... you're right. I need to chill."
Person A- "Word."
To lose all human control and revert back to one's simian roots. Usually resulting from seeing an attractive woman or, if you are a comic book fan, a mint copy of The Avengers #1.
Mark looked at the woman and began to chimp heavily.