Taking a shit. Often very nasty and messy.
Butters woke up this morning and was taking a mahaney that clogged his toilet it was very messy.
Bender Mahaney incoherent negro speech
This clown had twat babble spewing out of his mouth after blowing coke and dudes for three days.
When you unload a very nasty irish poop.
My buddy Butters ate a lot of fish and chips and drank some irish whiskey and had to drop a mahaney that absolutely destroyed his toilet.