look up any word, like darude - sandstorm:
 
2.
a wored describing a relationship based around sex. normal relationships usually are based around affection love, as opposed to sex.

Riccy: i heard you've been going round to Grace's a lot.

James: yeahh, we make awesom sex buddies.
by Elliotstars October 15, 2007
 
1.
A person you have occasional or frecuent sex with. You Can either be attached or have history with the person or not. But it's advice not to.
Hey what chu doing 2nite?
Nothing gurl!
K then come over ;p Im feening for my sex buddy 2nite!!
K Ima be there in 5.
by Tinten April 01, 2010