freak-out

listen to the pronunciation of freak-out
English - English
To react (or cause to react) with extreme anger or fear to something to the extent that one loses one's composure or behaves irrationally; originally, to suffer an unexpected and severe bad reaction from the recreational use of a psychotropic - usually hallucinogenic - drug

Jimmy'll come in off the road, you won't be there, he'll freak out and call you a hundred thousand times.

freakout
A frightening or disorientating experience, especially one that results from the use of a hallucinogenic drug
freakout
An occurrence of unrestrained or irrational behaviour
freak out
If someone freaks out, or if something freaks them out, they suddenly feel extremely surprised, upset, angry, or confused. I remember the first time I went onstage. I freaked out completely I think our music freaks people out sometimes It sort of frightens me. I guess I am kind of freaked out by it
freak out
lose one's nerve; "When he saw the accident, he freaked out"
freak out
lose one's nerve; "When he saw the accident, he freaked out
freak out
a wild delusion (especially one induced by a hallucinogenic drug)
freak out
become very excited, go wild, lose one's cool, undergo a sudden mood change (Slang)