Top Definition
When you sleep with the original person that you lost your virginity to many years after having several other partners. This is in reference to the movie Looper.
Looper: Dude I had sex with my high school sweetheart the other day. I haven't hooked up with her in 6 years!!!

Friend: Wow man! don't you think you're a little young to be closing the loop?
#looper #ex hookup #high school sweetheart #sex #virginity
by Slimjimrules2 March 06, 2013
The act of sucking one's own dick.
After hours of diligent stretching I was finally successful in closing the loop, then my mom walked in.
#penis #blowjob #masterbation #tomfoolery #wiener
by duhlek January 28, 2009
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