grandma booty 

when a girl has a huge butt that looks like an old grannie's

man, is it me? or does alyssa have grandma booty?

grandma booty by haha youll never figure it out June 14, 2010

grandma booty 

A woman with a flat, or frog butt

Guy 1: That woman looks so gross from behind.
Guy 2: That's because she has a grandma booty, eeffing nasty!

grandma booty by nbunch81 June 3, 2016

Micro penis in grandma booty 

If u got that 1 millimeter defeated then do this. First take yo millimeter shlong and take ur grandma, then fuck her in the ass crack so hard ur millimeter ding dong shlong bong dong gong touches her intestines

Gay person 1: yo grandma u wanna do Micro penis in grandma booty?

Lesbo ass grandma: sure sweet cheeks come over at my place around 6:09 pm

Micro penis in grandma booty by BigAssBallTit March 17, 2022

Grandpa's Boot Camp

When the elderly is admitted to a rehab center for physical or occupational therapy.

Grandpa's Boot Camp is for new admittance, with strict discipline regime

Grandpa's Boot Camp by grandaughter June 9, 2010