Top Definition
One who is in constant need of sex (in the form of intercourse, masturbation, etc.)
1. d00d: I can't stop humping my pillow.
mang: d00d, you're such a sex fiend.

2. d00d: Did you knock that pussy hard?
mang: d00d, I need more pussy!
d00d: Mang, you're such a sex fiend.
by Furious Masturbator April 07, 2004
10 Words related to sex fiend
Somebody who is willing to have sexual intercourse with someone based on instant attraction, due to their predisposition to sexual acts in general.
Ele: I just saw him across the club and next thing I know we were having sex.
Dora: Oh, you are such a sex fiend!
by PuffGirl April 26, 2009
a person male or female who is sex crazed and always horny they can't get enough sex and that includes masterbation also known as a sex addict.
Man 1:Damn my bitch is a sex fiend from hell, she always wants to fuck im getting too tired for this shit.

Man 2: Dude i don't see your problem.

Man 1: Why don't you fuck her then and see how long it takes you to get tired you mother fucker.
by ApacheWarrior November 15, 2009
one who has an addiction to the wild orgasms due to sex
stef is a sex fiend, she needs it all the time!
by claycrawford February 26, 2006

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