to flip out
verbcoloquial/piˈɾaɾ/low
pi·rar
Definition
(Colloquial) To go crazy, become uncontrolled or extremely excited; to lose one's head.
With all that noise, he was flipping out.
The news made me flip out with joy.
Common collocations
to go crazyto flip outto lose it
Etymology
Origem obscura, possivelmente onomatopeica ou de gíria.