Meanings:   1- to be or cause to be in a heightened emotional state, such as that of fear, anger, or excitement
                  2-Get Panic.
                  3-Feeling Afraid.
                  4-A manic, crazed feeling usually accompanied by some physical activity.

Usage:        "It's not the cops dude, don't freak out."
                  When he saw the accident, he freaked out"
                  I just freaked out, when i heard the news of his death.

Meanings In Urdu: (ڈر محسوس ہوتا,ڈر لگ رہا ہے,گھبراہٹ بن)