(v.) the action of not showing up or deciding not go to a previously planned event at last minute's notice.
"He was suppose to go with me to the movies, but he flossed out. Lame!"
"Don't floss out! I need you to be there."
"Don't floss out! I need you to be there."
by carrie727 December 2, 2007

by Strawberry floss June 5, 2014

The definition of a thong.
by Squee3 January 10, 2019

by DatNickkerr April 27, 2023

The act of only flossing the teeth that people will see. People who engage in this behavior are often suspect of not keeping other areas as clean as they should be.
Peter: I just came back from the dentist and she was pissed at me.
Mary: Why's that? You seem to take of your teeth. Your smile looks clean.
Peter: That's it. She knows I am only front flossing. It was embarrassing.
Mary: It should be! Take an extra minute out of your day! I bet you only wash your hands when people are around.
Peter: Sometimes I only use water when soap is available. Even after a poo. I'm a mess!
Mary: Why's that? You seem to take of your teeth. Your smile looks clean.
Peter: That's it. She knows I am only front flossing. It was embarrassing.
Mary: It should be! Take an extra minute out of your day! I bet you only wash your hands when people are around.
Peter: Sometimes I only use water when soap is available. Even after a poo. I'm a mess!
by von groovy June 15, 2017

Look at this guy dental flossing with a chain that looks like I could break it by rubbing it in-between my fingers
by Step your game up September 4, 2021

When pubic hair goes in between someone’s teeth when they’re going down on someone who has not shaved in quite some time.
Mike: “So, how did it go with Emma last night?”
David: “Not great, she didn’t even shave so when I was eating her out I got surprise floss.”
Mike: “Damn dude, I think it might still be in your teeth...”
David: “Not great, she didn’t even shave so when I was eating her out I got surprise floss.”
Mike: “Damn dude, I think it might still be in your teeth...”
by forb2 June 19, 2020
