thumb a lift

do a signal with your thumb for a vehicle to stop and give you a free lift

I did no intend to thumb a lift

by veronica1292 February 5, 2017

Fake thumb boner

When a guy puts a plastic thumb in his pants to make his dick look bigger

Nicy has a fake thumb boner

by Snakey Sneak October 18, 2019

Sass Thumb

Sass thumb: a electronic response by only a single thumbs up.

When someone is annoyed at the message and replies with a single thumbs up emoji.

Steph: well I'm talking to my ex boyfriend
Dak: 'replies with a sass thumb'
Steph: why did you just reply with a thumb reaction?
Dak: (2 hours later) that was sass thumb

by Zenmang December 9, 2020

Black Thumb

One that constantly kills indoor plants. The opposite of having a green thumb.

Ann killed all her house plants. She has a black thumb.

by Bk102886 November 14, 2020

Thumb eater

Someone who has a weird obsession with eating things that a not food such as thumb and other stuff of that matter

Friend: ew why is your brother trying to eat that cup?

Friend 2: I don’t know he’s such a thumb eater

by Yeety yacht December 31, 2020

Cutlip’s Thumb

When you’re born without thumbs, so the doctors use a deceased bodies big toes to supplement your missing thumbs.

You can’t even notice that you suffered from Cutlip’s thumb when you were younger.

by Thumb Doctor January 16, 2021

Thumb oven

Simply put, your own asshole. A nice warm personal oven just for you or a close friends thumb.

Look at Neil over there checking if his Thumb Oven is preheated.

by Mr.Biscuits January 16, 2021