Perma-third

When your best friend or roommate gets a significant other. A reference to being a third wheel - all the time.

My roommate just got a boyfriend, and now I'm stuck being perma-third.

by LizzieDoob521 November 11, 2011

Third Testicling

For those who like to add crude meaning to an otherwise unoffensive term - "third wheeling"

Just like a pair of wheels, a third testicle will stand out, and should not be around(in most cases)

a) Oi, Pete, whose the third testicle?

b) Bobo hooked up with some chick, so i started third testicling

by Third Testicle August 3, 2009

third handed

a mutated person that who born with 3 arms and uses his/her third hand mostly.

My classmate writes with his/her third hand.
My classmate is third handed.

by RÆZ October 12, 2021

third responder

Refers to the third man in a gang bang.

Jimmy it's your turn to throw that hoe a good fuckin. You are the third responder. Now get your ass in there and lay some pipe!

by JoeyBomm April 9, 2020

the third leg

The dick between your legs

The third leg is really long

by Bory_cory October 24, 2017

Third foot

Long story short its your penis.

You want my third foot tonight?

by Dont ask plz February 2, 2019

third-rounder

An ugly person, can be male or female. In reference to MMA (mixed martial arts) fights, which are typically scheduled for 3 five minute rounds. If the fight makes it to a decision, the fighters faces are often bloody and swollen.

Fred: I saw John last night at the bar.
Mick: Yeah did you guys throw some back?
Fred: Nah, he was already drunk and trying to hook up with a third-rounder. I think he took her home.

by Lambresi March 16, 2008