bring out the bowl duster
A large defecation. A fecal emission of such proportions as to "dust the bowl" as it spins with the flush. Usually, great relief is enjoyed thereafter.
"Dude, after that serious eat-down at the barbecue place, I went home and totally had to bring out the bowl duster."
turd, take a dump, big turd, toilet, bowl
turd, take a dump, big turd, toilet, bowl