When one get rids of scraps of food between their teeth by pushing saliva through the spaces between their teeth. Very useful when one runs out of dental floss.
James: Shit, I'm out of dental floss
Kyle: Ouch, you wanna borrow mine?
James: Nah, it's cool I'll just spit floss
Kyle: Ouch, you wanna borrow mine?
James: Nah, it's cool I'll just spit floss
by @ngrym0thertrucker October 19, 2013