chucking a brownie
To Defecate, Do a poo, take a dump etc.
Person 1; Dave will be back in a bit he's chucking a brownie
Person 2; Dude I gotta chuck a brownie too! Be back soon
Person 1; Oh well may as well chuck one too
Person 2; Dude I gotta chuck a brownie too! Be back soon
Person 1; Oh well may as well chuck one too