The act of mounting a woman and riding her to completion, only to spontaneously pull out and throw her across the room with enough force to cause at least a minor concussion.
John was having sex with a Trisha, when he then gave her a Cincinnati Roller-coaster
Where one violently attacks their mother and Grandma and proceeds to tie one up and make them watch as they fuck the grandma or the Mother then after they are done they proceed to cut off the tits of both and titty fuck them while they are off the family members body.
Hey Logan my grandma and mom are drunk you wanna Cincinnati Cinsest them?
When your partner is sitting on the toilet and you sit on their lap facing them. Then you urinate into their belly button while shitting through their legs, and the pee drips down into the toilet like a waterfall.
Darryl gave his wife the ol Cincinnati waterfall last night, she kinda liked it I guess.
When you want to use a terrible term on a long running TV show but executives say you can’t.
We wanted to use the phrase ‘Reverse Cowgirl’ but because it can be searched on Urban Dictionary we have to change it to something like “The Cincinnati Lunchbox”.
When you are doing a chick in doggy style, you take the right leg and flip her to her back, then quickly reinsert, causing her to queef and become embarrassed.
Will used the Cincinnati Switcharoo on Sierra and she was super upset.
When you suck a soggy drugged turd from a girl (or preferred sex) ass after a hard night of hard partying and boofing illicit substances.
"She let me eat Cincinnati Gogurt last weekend"
When you stick your finger(s) in someone's plumbers crack.
His crack was showing so I gave him a Cincinnati Dipstick!