thumb thigh

The meaty part of the base your thumb.

I ran out of room on my forearm for lipstick swatches, so I had to use my thumb thigh.

by CannolisMom November 29, 2017

Thumb-war

When you play thumb war, but with your toes.

guy 1: dude can we play thumb-war?
guy 2: yeah gimme your hand
guy 1: nonono its with our feet

by Sidewhore January 30, 2018

fish thumb

Fish Thumb
The process of insterting one's thumb(s) into a female's vagina (referring to the smell of the said thumb afterwards).

Me: Smell my thumb
Friend: Why?
Me: Just do it
Friend: Err smells like sex and fish
Me: Ye I just fish thumbed your mum

by Bigfatbozwithbigfatballbag January 11, 2019

Dirty thumb

When you finger a girl with your thumb
And she scream Ching Chong your dog is gong

Ah yes I gave her dirty thumb

by Analbead42069 January 23, 2021

thumbs of understandring

The action you make when a witch gives you a complicated instruction.

"does that sound good?"
"thumbs of understandring"

by wheeeeeeeewheeeeeeee May 6, 2021

kentucky thumb

The sexual act of inserting one's thumb into an opening to minimize the outpouring of bodily fluids

She reached climax and I gave her the Kentucky Thumb so she didn't mess the sheets

by Chappers88 May 20, 2021

Kentucky Thumb

When you stick your thumb in something to restrict blood flow.

My girl was on her period so I gave her a Kentucky thumb.

by Blakerblock May 20, 2021