Annoying and seemingly endless condensed, fluff-like matter which collects between the ass cheeks. Particularly evident after an active day
Tom: Man, I'm fed up of all this crack flack I have to wash away every day in the shower
Jon: Fuck you
Jon: Fuck you
by pseudopseudonym11111 March 6, 2010
Get the crack flackmug. That negro is flack all he listens to is Suge and Look Back It and lets his white friends say the N word!!!
by Realblackb June 30, 2019
Get the Flackmug. A guy who normally acts as if he is a hardcore stoner, and makes everyone aware he is so cool and interupts everyone so they hear his side of the story.
Guy: “interrupts reader”
Reader: “Hey man, chill you seem like an Ethan Flack right now”
Guy: “Sorry bro, I’m so fried right now”
Reader: “Hey man, chill you seem like an Ethan Flack right now”
Guy: “Sorry bro, I’m so fried right now”
by TheTurner47 May 5, 2019
Get the Ethan Flackmug. by ke55y December 10, 2010
Get the fac flackmug. 

