freak
/fɹiːk/
A sudden change of mind
Someone or something that is markedly unusual or unpredictable.
a freak genius
A hippie.
A drug addict.
(of a person) A nonconformist, especially in appearance, social behavior, sexual orientation, gender identity, and/or business practices; an oddball, especially in physiology (i.e., "circus freak"); unique, sometimes in a displeasing way.
A person whose physique has grown far beyond the normal limits of muscular development; often a bodybuilder weighing more than 120 kilos (260 pounds).
An enthusiast, or person who has an obsession with, or extreme knowledge of, something.
Bob's a real video-game freak. He owns every games console of the last ten years.
(sometimes affectionate) A very sexually perverse individual.
She's a freak in the sack!
A streak of colour; variegation.