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a reference to the mutual oral sex activity commonly known as 69
Dave and Marsha seem to have realy hit it off. I think they were doing the numbers after the party.
by BirdWatcher November 25, 2006
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code name-The act of 69ing. Either m+m ,f+f, m+f simultaneously performing oral sex on eachother.
Guy:hey lets do the numbers when we get home

girl:i cant wait to suck your dick
guy:true, i cant wait to eat your pussy out at the same time

Guy: hey me and that hot chick are doing the numbers after school
guy2: nice dude
by blerbertswag1 September 19, 2013
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