Top definition
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
by Roryuken July 04, 2011
Get the mug
Get a Earning your M mug for your buddy Jerry.