Third Wheel

A person who can ruin a weekend, picnic, concert, sporting event, or any other kind of activity that you may have planned with your significant other by inviting themselves or guilting you into inviting them. These people are commonly refereed to as a Third Wheel. Third Wheeling is not cool and is frowned upon.

Dude! She's such a Third Wheel, I cant believe she tried to go to prom with them.

by Boogie44 October 1, 2010

Third Gender

Walmart bag.

There's three genders, the third gender is walmart bag.

by Lixie_ July 12, 2023

stuck on the third

When you're stuck on third base or can't get past.

"Hey man I'm stuck on the third. Can u give me some tips?"

by I'm_invisible September 19, 2015

Third twin

The backup twin

"You must be the third twin of the family"

by MShadow2016 August 12, 2016

Third Nostril

A hole in the septum (the cartilage divider between both halves of the nose) that can result from heavy cocaine use.

Ask Rob to show you his third nostril. He can put a rolled up kleenex in one side and pull it out the other, and floss it back and forth. It's nasty as shit.

by Buster the Cat May 3, 2011

spending a third

having sex

Nick was spending a third with Daisy.

by ireallydontknow12 September 21, 2013

third liner

A derogatory term for an athlete on a team sport not reaching his/her potential

Larry … oh Larry …. He tries, but really he is just a third liner.

by Third Coach April 2, 2023