what is the meaning of " I am freaking out?"

what is the meaning of " I am freaking out?"
give some more examples as well please. then it will be more easy to understand .

I’m losing my temper, I’m losing my head, I’m going crazy.[YSaerTTEW443543]

TOEFL listening discussions: Where does this conversation most likely take place?[YSaerTTEW443543]

‘‘I am getting nuts’’, ‘‘losing my nerve’’, something makes me angry/ nervous., ‘‘I am losing my temper.’’
Something makes you panic, or lose control - depends of the situation - and you ‘‘freak out.’’
It can be accompanied by some physical activity such as jumping, skipping, fainting, fluttering, screaming or bitching.

thnx buddies