thumbdick 

–noun (offensive)

1. a person with a penis the size of a thumb.
2. a stupid, irritating, jackass.

ftballrulz: WAna cyber ?
PalePumpkinHead: This is your mother, thumbdick.
ftballrulz: u r a bull dyke.

thumbdick by PalePumpkinHead December 15, 2008

Thumbdouken 

The act of inserting one's thumb in an unsuspecting ass.

Tom: Man did you hear about Nik the other night?

Markus: Naw man what happened?

Tom: Got super tanked and thumbdoukened some beezy!

Markus: Whoa, bra that's fuckin sweet!

Thumbdouken by Doctor Asshat, MD January 26, 2009

thumbdrive 

An small USB-based device for storing data and other related files. Has onboard flash memory. Typically comes in sizes 64MB-4GB. Very useful for portability.

Insert the thumbdrive in one of the computer's USB port and let's start synchronizing data!

thumbdrive by mcky December 9, 2008

Thumbdowner 

Pathetic life form that systematically goes through Urban Dictionary´s "Word of the Day" list giving a thumbs down to every single definition without reading any of them. Out of spite and utter lack of creativity, finds more exciting to downgrade the work of others than to come up with even a run of the mill (conventional, mediocre, prevalent, regular, trite) idea.

Get a life Thumbdowner, life is short and then we die.

Thumbdowner by rperazag May 26, 2010

Thumbdrive 

When one uses their thumb to drive a lady up the wLl.

wall. Thumbdrive got that girl going crazy.

Thumbdrive by GottagoJo April 13, 2019

Thumbd’s 

The past tense verb of having thumbed up multiple times in succession.

Example: I have thumbs that up multiple times already.

Example revised: Thumbd’s up.

A: Can you check on the turkey?
B: *thumbs up*
10 seconds later.
A: Can you check on the turkey?
B: Thumbs up.
10 seconds later
A: Hello? Check on the fucking turkey you dingus.
B: Thumbd’s up.

Thumbd’s by Bennehftw December 4, 2022

thmd 

Short for thumbed meaning thumbs down, this is the most condescending insult imaginable which dates back to Roman times. thmd is often referred to as a pride-obliterating bitch slap.

A: "yo how do you beat the first level of tetris."
B: "thmd."

C: "above example thmd."

thmd by NESticle December 12, 2005