1 definition by Ghanandanourf

When a woman takes hormone altering pill like birth control pill, she is very liable to have her fat stored in one place on her body more so than others. In this case her ass. This is far more than mere "junk in the trunk"
you uses this term when her ass is grossly unproportioned to her body.
Shes only taller than me when we are sittign down because of her birth-control ass
by Ghanandanourf August 18, 2005
Get the birth-control ass mug.