Top definition
When you get a cumshot to the mouth and wash it down with pepsi due to the lack of mouthwash.
Destiny's thirsty, maybe I should give her some cepsi.
by Theman8641 November 23, 2009
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2
The mixture of coca-cola and pepsi. Except there is slightly more Coke than Pepsi. Sometimes done for a unique flavor.
Person 1: Why are you mixing that Coke with that Pepsi?

Person 2: I'm Making Cepsi... duh

Person 1: Oh right, I knew that. People have said this before, Iv'e heard this. Yea I do it all the time, yea.
by FrankieA. May 28, 2010
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