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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When you suck your own peen. An alternative way to saying “go fuck yourself
Tom: “Do a number 9. “
Jerry: “Fuck you too, man”
by Lord toadperson October 11, 2021
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