When someone puts Ice Cream in a glass and pours root beer on it. Tasty, and has nothing to do with sex.
Yum, root beer float.
by Bashe March 4, 2006
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upon finishing the activity of an "upper decker" (shitting in the upper tank of someones toilet) you then dump an entire bottle of dishwashing soap in the tank and then flush the tiolet so the bowl fills up with bubbling shit water....
Tom pulled an upper decker on Bills shitter, and I finished it off making it a root beer float!
by STYFFLYNX January 30, 2011
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When one is ass railing a person the cums in the persons ass, pulls out and the reciever farts causing jizim to come out and float to the surface of the asshole.
I was ass fucking this whore bag and i nutted in her butt and she had a root beer float.
by Jimbo the clown September 16, 2005
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When a male lies in a bathtub, filled with water, or sometimes soda, and a female sitts on his face, farting, causing the water directly over his face to bubble. Following this, the male turns the female over and jizzes onto her face, giving her a creamy topping.
"Get me six cases of publix soda and meet me in the bathrooms with no cloths on...tonight im giving you a root beer float"
by Rhomby October 12, 2006
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To pull out right before you are about to cum as you are fucking someone's ass, then sticking your dick in their mouth and cumming. the person gets a root beer float if they had a dirty asshole.
This guy I picked up last night had a dirty asshole, so I gave him a rootbeer float.
by CapnCrouton May 13, 2004
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When you give a girl laxatives to cause her to have diarrhea, flip her over so her ass fills with shit (root beer), and cum on top of the pool of of shit (vanilla ice cream)
Person 1: How did your date go with Sarah?
Person 2: It went great, we saw a movie then I gave her the Root Beer Float in my car
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