Casual thumb

When you casually insert your thumb in your partner's anus during coitus

Brad had me bent over when he gave me some casual thumb. Took me by surprise!

by billmock March 11, 2022

thumb splint

Use of a thumb as an addition to or substitution for a penis gone flaccid due to whiskey dick.

I was so hammered last night I couldn’t get hard, but I used a thumb splint and faked the ending.

by btothef October 3, 2021

Fact of thumb

It’s equivalent to “Rule of thumb” and this phrase is only used as a new web language.

The food is cold by now cz you’re late. It’s a sad fact of thumb.

by RasSunshine February 19, 2022

Thumb Wars

Verb. Used to define when two men sit down at the same time while making a thumbs up gesture on the seat next to them, proceeding to insert their thumbs up the other individuals rectal cavity.

John: hey you wanna play thumb wars while we watch house hunters?

Joe: yeah I'd love to but only if you spit on it first.

by Yee Olde Jew February 19, 2022

Buff Thumbs

When you text the same person over and over for a prolong period of time, you notice a change in your thumbs’ physical appearance. Typically you’ll notice the knuckle start to get a bit larger due to repeated movements required to do said texting. It’s also a sign of early stages of carpal tunnel syndrome.

I texted this chick while she was in the Bahamas for about 5 days, countless times everyday I noticed my buff thumbs starting to develop.

by Person1113 February 24, 2022

Sandy Thumb

When a construction worker with roof hands man handles the bean with his sandy thumb.

I met a chick at the moose lodge and I gave her the Sandy Thumb

by Andoad6 March 4, 2022

Kentucky thumb

The kentycky thumb is when he puts it in the bum.

Wow I gave my gf the Kentucky thumb yesterday.

by AllyAx May 20, 2021