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. by In Memory of Ember March 21, 2016
Get the Flick Flackmug. A bro who survives a run-in with a semtex grenade.
Flack Jacket Bro pays tribute to the use of Flak Jacket Pro to reduce explosive damage in the Modern Warfare video game series, the same series which made semtex grenade popular.
Flack Jacket Bro pays tribute to the use of Flak Jacket Pro to reduce explosive damage in the Modern Warfare video game series, the same series which made semtex grenade popular.
"Dude, after I jumped on that grenade for you the other night she ended up morphing into a full fledged semtex grenade. Been blowing up my phone all day. She finally quite after I answered and told her in a Spanish accent that she had the wrong number."
"Nice work, bro. Way to be rocking Flack Jacket Bro."
"Nice work, bro. Way to be rocking Flack Jacket Bro."
by nar1763 December 14, 2011
Get the Flack Jacket Bromug. by DaddyHitler420 January 1, 2019
Get the Flackmug. A form of street art where potholes in streets and sidewalks are filled and covered with mosaics or tiles.
by anonymous August 4, 2021
Get the Flackingmug. 
