What is Freaker?

Freaker definition and meaning on Dictionary terms:
any abnormal phenomenon or product or unusual object; anomaly; aberration.
a person or animal on exhibition as an example of a strange deviation from nature; monster.
a sudden and apparently causeless change or turn of events, the mind, etc.; an apparently capricious notion, occurrence, etc.: That kind of sudden storm is a freak.
Numismatics. an imperfect coin, undetected at the mint and put into circulation.

Philately. a stamp differing from others of the same printing because of creases, dirty engraving plates, etc.Compare error(def 8), variety(def 8).
Slang. a person who has withdrawn from normal, rational behavior and activities to pursue one interest or obsession: a drug freak. a devoted fan or follower; enthusiast: a baseball freak. a hippie.

Archaic. capriciousness; whimsicality.

unusual; odd; irregular: a freak epidemic.

verb (used with or without object)
to become or make frightened, nervous, or wildly excited: The loud noise caused the horse to freak.

Verb Phrases
freak out, Slang. to enter into or cause a period of irrational behavior or emotional instability, as under the influence of a drug: to be freaked out on LSD. to lose or cause to lose emotional control from extreme excitement, shock, fear, joy, despair, etc.: Seeing the dead body freaked him out.