The noun freak has 2 senses (first 1 from tagged texts)
1. (4) freak, monster, monstrosity, lusus naturae -- (a person or animal that is markedly unusual or deformed)
2. addict, nut, freak, junkie, junky -- (someone who is so ardently devoted to something that it resembles an addiction; "a golf addict"; "a car nut"; "a bodybuilding freak"; "a news junkie")
Overview of verb freak
The verb freak has 1 sense (no senses from tagged texts)
1. freak out, freak, gross out -- (lose one's nerve; "When he saw the accident, he freaked out")