third wheel

third wheel

Someone who has no real place or purpose in a situation, likened to a superfluous extra wheel on a two-wheeled vehicle. When Kelly invited me to go to the movies, I didn't know that her boyfriend would be joining us. I felt like a third wheel the entire night.
See also: third, wheel
Farlex Dictionary of Idioms.

a fifth/third ˈwheel

(American English) an unwanted, extra or unnecessary person: No, I don’t think I’ll join you. Whenever I go out with you guys I just feel like a fifth wheel.
This refers to adding an extra unnecessary wheel to a vehicle.
See also: fifth, third, wheel
Farlex Partner Idioms Dictionary

third wheel

n. an extra person; a person who gets in the way. (see also spare tire.) Well, let’s face it. We don’t need you. You are a third wheel.
See also: third, wheel
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • 5th
  • a fifth wheel
  • a fifth/third wheel
  • fifth wheel
  • wheel into
  • wheel into (something or some place)
  • wheel in
  • wheel out of
  • wheel out of (something or some place)
  • wheel out
References in periodicals archive
(And for the longest time that I waited for when my third wheel days will end, since I am also already tired of feeling envious and answering the question, 'You still do not have a boyfriend?' - he finally came.)
"Ang Pambansang Third Wheel" opens in theaters on March 7.
The third wheel malfunctioned Sunday while the craft was repositioning to complete an observation of the Occator Crater.
Researchers were prepared for the third wheel to fail at some point.
On Wednesday, Alessi, Blackwell and Meszaros held an open rehearsal for "Third Wheel." The 24-minute piece is set to music by Eugene band Area 52.
"Third Wheel" begins with Alessi and Meszaros seated in chairs.
I'm probably also the third wheel this week as well.
She also left them with an important reminder: 'I hope you know that although you're married, I am always and forever going to be your third wheel - and the only third party that's welcome in this relationship.'
Such is the dilemma of Yassi Pressman's character in Viva Films' 'Ang Pambansang Third Wheel.' Sam Milby portrays her leading man.
Have you ever been a third wheel? Often, but the cool part about it is the free food.
Directed by Ivan Andrew Payawal - who is known for the independent feature, 'I America' - 'Ang Pambansang Third Wheel' also stars child star Alonzo Muhlach and actress Sam Pinto.
The actress dressed in disguise to blend in with the crowd, and held up a sign which said, 'Third Wheel ako sa Valentine's.
Pressman was open to embracing everyone, whether their relationship status was single, in a relationship or that of a third wheel.
Are you the one friend who is always the 'third wheel' when your couple friends go out on dates?
Saint Peters, MO, July 20, 2019 --(PR.com)-- Third Wheel Brewing will be tapping up MO Better IPA, an American IPA aged on Missouri Oak, on Thursday, July 25, with a portion of the proceeds going to benefit the MO Better Foundation, which assists Missouri residents by providing assistive technology.