by PopcornMcgee December 8, 2019

(v): To use some object (notecard, toothpick, paperclip) to clean that weird, greasy gunk that builds up in the little cracks of your computer mouse.
I haven't mouse-flossed in months, and then I looked and saw all sorts of nast. * folds up a piece of paper and starts mouse-flossing *
by Mystakaphoros October 9, 2013

Information introduced to your mind that doesn't get remembered at all. A different way of saying in one ear and out the other.
Math class was total brain floss, I didn't understand anything the teacher said.
I'm terrible with names it's all just brain floss.
The new worker is doing a bad job all the training we gave them was just brain floss.
I'm terrible with names it's all just brain floss.
The new worker is doing a bad job all the training we gave them was just brain floss.
by YoungRebel00 October 25, 2024

The act of filling an elderly man's colon with chocolate syrup, and then laying on your back with a big, smug smile on your face, while the elderly man straddles you and squirts it onto your teeth.
Jeremy Clarkson, of the show "Top Gear," holds a Bachelor of Science in Bolivian mud flossing, because gargling "chocolate fecal slurry" has been his life-long passion.
by Mr. Tinkerdog February 13, 2014

by Rogue_1 July 16, 2021

From one woman to another. "When I was drunk I went down on this redheaded guy. I stopped and pulled a long fire-y out of my mouth. He laughed and said 'Got ya some of my devil's floss did you?' I looked at him and said 'yes! Why does it taste like peanut butter?'"
by zjme October 18, 2009

by Tatum_morris October 26, 2017
