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

Thumb Rack

They're the dimples on the lower back where you can rest your thumbs when hitting it from behind.

Did you see that girl when she bent over to tie her shoes? Yeah she had a nice set of Thumb Racks.

by JPetto19 January 31, 2024

thumb-ass

when you're so deep in someones ass you no longer have opposable thumbs

bro was so thumb-ass'd he couldnt peel a banana.

by cumslider February 1, 2024

Thumbin Around

1.The act of making money off of your phone, tablet or ipad.

2. Counting money

I've been thumbin around all day on my phone.

by LGNDRY February 29, 2024

Thumb pop

When you place your thumb on the rectum and pushed firmly creating a popping noise.

John pushed so hard on my anus with his thumb it thumb popped

by Ranuover April 28, 2024

Thumbass

A person who; Is exceptionally stupid, Exceptionally thumb like in appearance-Oft bald or Rectangular- or even just exceptionally annoying- usually purposefully so-.

Ex.1

“God, Greg, You seen those recent photos of Musk and Dwayne”?

“Yeah dude, They look like such thumbasses honestly.”

Ex.2
“Damnit Mark! You fucked it up you thumbass!”

“Hey its not my fault you didn’t tell me to check the pressure gage.”

by Shit Tikler April 28, 2024

Thumbnado

A daring yet effective maneuver where the fist is placed on the lap (near the knee) and the thumb is extended vertically into the females honeypot and swirled violently delivering unbridled pleasure.

That girl squirted everywhere after Eric gave her the thumbnado.

by FTC Thumbzilla June 2, 2024