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1. fuck fiend
1)To be addicted to sexual intercourse.

2)To be perpetually horny, and always on the prowl to have sex with another human being.
Man! John got laid by 10 women in only one night! What a fuck fiend!
by Assgoblin May 23, 2003 add a video
2. fuck fiend
Someone who is on the prowl for sex all day long but never finds any.
Matthew Levitt is a fuck fiend.
by Boze Mabo May 14, 2004 add a video
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