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1.
A girl that is unquestionably a slut, however, unlike most sluts, she is also fun to hang out with. A fun slut must also be hot.
Wow, Jenny and Steph are such fun sluts. They bought me drinks all night and then one of them gave me head while the other one licked my toes.
by Lurk Daddy April 25, 2006
 
2.
Someone who is promiscuous for sports and adventure, especially in the mountains.
Steve and his fun sluts blew off work and went kayaking today.
by Emeata May 06, 2009
 
3.
Someone who has too much fun...while you sit around and do nothing
Lexy is such a funslut.
by Fergymon December 30, 2004