Verb
go mad, go crazy
react in an excited, delighted, or surprised way
Source: WordNetflip-out
He flipped when he heard that he was being laid off Source: Internet
he flipped when he heard that he was accepted into Princeton University Source: Internet
We read and regurgitate what we agree with, “like” comments that follow in lockstep with what we just shared and flip out on anyone who has the gall to disagree with our post or who posts something in response that he or she finds more agreeable. Source: Internet
Owner Trey Leonard shows how the rear seat can flip out to reveal a hidden storage space. Source: Internet
Qubit seemed to think the laptop was about to flip out and kick her ass, so she kept her distance. Source: Internet
They are going to flip out. Source: Internet