look up any word, like space monkey:

1 definition by The Rollologist

 
1.
Friends with Benefits is a term used to categorize but not to label an open relationship. usually between a guy and girl.
Friends with Benefits: If two people of the opposite sex are friends and in two different relationships and breakup around the same time, they might choose to be friends with benefits because they both are lonely, or more commonly they both miss having sex.
by The Rollologist December 26, 2011