doing math

Using the excuse "Doing geometry homework" to hook up with your girlfriend.

"Hey baby, I'll be tangent to those curves!"
"Somebody's been doing math!"

by AngelBelle June 20, 2006

Doing the Math

A sexual term referencing both intercourse and a disparity in age between the two having intercourse.

Heather doesn't like being called a whore or a cougar, she just likes doing the math. You know, how many times will 18 go into 48.

by geodave December 27, 2012