thumby

Having freakishly large thumbs with average size hands

Hey Thumby, two freakishly large thumbs up!

by firecracker83 September 22, 2011

thumby

when someone is so fat when you pick them up your thumbs disappear in there FUPA

John: when i picked up Mary last night my thumbs disappeared in her FUPA
Frank: so your saying she is thumby ?
John: ya

by frank jack murphy the fouth January 13, 2009

Thumby

Australian sexual slang referring to the act of using one's thumb to bring your partner to climax

You know Sarah? Oh yeah Davros's sista? Yeah, She gave me a mighty fine Thumby last night over in Bendigo.

by SpanglyCharly January 29, 2021

Thumby

The act of violently inserting your thumb into someones rectum.

Person 1: how did you get that black eye?
Person 2: I ran up behind my girlfriend and gave her a surprise THUMBY.
Person 1: You're pretty stupid aren't you?

by Ancient Armadillo June 17, 2018

Thumby

The act of violently inserting your thumb into someones rectum.

person 1: So how did you get that black eye?
Person 2: I ran up on my girlfriend and gave her a surprise THUMBY.
Person 1: Oh that was stupid.

by Ancient Armadillo June 17, 2018

Thumby

sticking a thumb up a man's ass just before he climaxes

Oh girl I am about to finish, gimme a thumby!!

by Bundestag May 29, 2018

thumby monster

It's a digit that is employed in the butt.

There's a thumby monster around.

by Kublai Khan October 27, 2003