Definitions by Roryuken

Earning your M 

When a hot woman has a child, and becomes an official MILF

Wife: The test shows I'm pregnant
Husband: Looks like you're earning your M, MILF inbound!
Wife: *slap*

A: Did you that chick who works at the post office is pregnant?
B: Whoa, she's totally earning her M

Earning your M by Roryuken July 6, 2011

Gun and run 

Shoot your load and leave

He must have gone for the gun and run

Gun and run by Roryuken March 11, 2011