A cockaholic is an individual that is addicted to the penis as a sexual organ.The term is usually used in a derogatory sense and should be avoided.
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The term cockaholic can be used to refer to both men and women, typically homosexual men and heterosexual women. The term is an alternative to terms like slut or whore. In some cases the term might be used as a synonym for sex addict. However, it is often used in a derogatory sense and for that reason, it should be avoided.