licking out a woman who is on her rags and has a tampon stuck in her sandwich.
Derek: Sorry about my breath Kelly, i left my toothbrush at home

Kelly: thats okay, just remember to floss while you're down there.

or

Kelly: Thanks for the tonguejob Derek

Derek: No, thank you! I've had that piece of corn stuck in my teeth for days!

Eg: She gave me a good flossing
by emily harvey March 14, 2011
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A sexual act in which the male wears a strap on backwards thrusting back and forth (like flossing) to be able to have sex with two women at once.
As soon we started flossing, the orgasms began!
by BOOMERMILK December 3, 2015
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when somebody gives a weggie to a girl (or a guy, in that case) wearing a thong or g-string.
i was flossing amanda soo bad yesterday!
by blickensderfer October 22, 2007
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What the cool people use. Means tight or cool. White people can't use this.
guy 1: dude i just cummed on ur sister
guy 2: thats floss!
by antonioyay October 11, 2010
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when a dude pulls out a girl's tampon with his teeth right before going down on her.
went flossing last night.
by kid kazzo September 22, 2006
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