When you put your anus up to someone else's anus, and poop into their anus. They will then squeeze the poop from their anus back into yours, and the process is repeated. This creates the effect of an endless dildo.
" I ran out of sex toys so I had to call my boyfriend over for a detroitmerry-go-round."
A group of 7 or more people laying mouth to asshole in a circle.The first shits into the seconds mouth then the second shits into the 3rd. This continues until one member has to spit.
Jose-Got invited to a bachelor parties this weekend Timsaid its gonna be a Chocolate Merry Go Round.
When a yankee raw dawgs a southern hillbilly finishing with a cream pie. The hillbilly chic then mounts the northerners face riding it like a bucking bronco forcing the dude to east her nasty baby badder.
Dang! Tina gave old boy an Arkansas Merry-go-round after the 4H show at the fair grounds!