Thumb Rack

The dimples located on the lower back used to rest the thumbs while hitting it from the back.

While Tiffany was bent down tying her shoes, Alec shouted" Those are some nice Thumb Racks!"

by JPetto19 December 12, 2023

Up ya bum with a rubber thumb

Rhyming Slang

Like up ya nose with a rubber hose

Hey Suzie up ya bum with a rubber thumb

by KcnDave September 8, 2023

Sweet Thumb

Like a green thumb, but for baking. Also anything involving sugar.

Have you tried Karen's desserts? She has a sweet thumb.

by Jynjer March 28, 2017

Thumbs Up

you’re obsessed with your boyfriend

She put both Thumbs Up, she probably stalks her man

by Thisisntmyrsalname1 September 17, 2022

Thumb-butting

When you are hitting it from behind and have your thumb in her butt at the same time. Thumb-butting it.

She seemed like she wanted it so to test the waters I was thumb-butting it.

by Blibicer November 26, 2017

thumb slug

keeping a tad bit of cum/semean in between your pointer finger and thumb to wipe on someone/something later in day

“bro i wiped a thumb slug on brad after he called me a dick today”

“dave mad fun of me yesterday so i’m going to cum thumb slug him today”

by D the P slayer August 19, 2021

Thumb Plumb

A thumb plumb is when there is a lump of shit left on the thumb after thumbing an arse.

Holy shit, you should have seen the size of the thumb plumb she left.

by Biggaybear April 2, 2013