Thumb-Bummin

When one is bored and lonely so one masturbates with a thumb wedged knuckle-deep into one's own anus.

I told them I fell asleep early because I didn't want them to know I spent all night Thumb-Bummin.

by J. M. Fuhqueny November 5, 2023

Velvet Thumbing

When someone with very soft hands sneakily and gently inserts their thumb up ones bum and the person receiving said thumb only notices it once it's too late.

I thought Dale was a good boy, but we when I sat down I realised he was velvet thumbing me!

by PsychoDeschain May 9, 2018

Thumb Pirate

A web forum participant, usually using a blog, news website, or social networking platform, who contributes solely, usually without merit, basis in fact or any discretion therein, to harvest as many "thumbs-up" (or Like) responses as possible from other forum users.

The polar opposite of a Troll.

Steve: "I got 944 thumbs on Yahoo! News today!"
George: "Wow! What story?!"
Steve: "School shooting..."
George: "What was the comment?"
Steve: "'Kids today, omg, really!?!'"
George: "Nice...you're a master thumb pirate."
Steve: "Arrrrrr, where me thumbs?!?!"

by aaronpeterson May 22, 2012

Chicken Thumb

When a thumb is lathered with that sweet, sweet KFC chicken grease, so that it glides gently into the anus, leaving a spicy aftertaste of 11 secret herbs and spices.

I gave my girl a chicken thumb and damn did it taste good.

by Salamski December 2, 2019

Pinky thumb

A unit of measurement which is defined by the maximum distance between your pinky and thumb. (Also resembles a'shaka')

Jacob: Corey, how wide is that table?
Corey: Ahhh it's about 5 pinky thumbs.

by TheOkGatsby September 6, 2021

Thumb Strength

The energy required to write a text.

Forget it, I don't have the thumb strength to text him. Guess I'll just call.

by J. Edward October 30, 2008

Thumb-spike

When you surprise a girl by jamming your thumb up her ass, with or without lube.

Brian Hayhurt thumb-spiked Meg, then she turned around and de-scrotumized him with her teeth.

by Room 2318 February 9, 2005