1 definition by John Jameson and Son

having sex with 3 different girls (or guys) in a particular social group (ie, best friends, family, team mates). not necessarily in a day, but as a goal to work towards in a timely manner.
example 1.)
"he scored a hat trick with molly, vanessa, and lexi over the course of first semester."
"the real popular girls that always eat on the steps?"
"The same."

example 2.)
"according to some reliable sources, apparently when she found the pics of the other girls, she had sex with him, then moved on to have sex with his older brother, and his newly single dad, and left pics where he would find them. don't piss her off."
by John Jameson and Son October 5, 2009
Get the Hat Trick mug.