Anyone know phrases like "Third Wheel" ?

Third wheel is a very common phrase in English to mean a person who is single hanging out or intruding with two people who are a couple or otherwise romantically engaged. I’m not sure if you’re asking for other phrases or just asking about third wheeling

Third wheel is a well known phrase, at least in the US.

Light bulb!? That’s a hilarious way of saying third wheel. I don’t think I understand it.

Know it? I've *been* the third wheel💀

Edit: In the original post, I think the user is wondering about other examples of phrases like “third wheel”.

Every language has idiomatic expressions whose meaning cannot be derived from the literal interpretations of the words within them. The average person uses hundreds, often unconsciously—plenty of Americans, who may not know anything about baseball, say things like "we need to cover our bases" or "I'll have to take a rain check" or "they're playing hardball" without realizing they originate in baseball. There is a whole separate Wikipedia article just about [baseball metaphors for sex](https://en.wikipedia.org/wiki/Baseball_metaphors_for_sex).

A broken record - someone who keeps repeating themselves A squeaky wheel - someone who complains a lot, but gets the result they want. “The squeaky wheel gets the grease” A wet blanket - Someone who ruins the excitement. A busy beaver - Someone who is hard working and industrious, usually working alone.

in the UK you can also say playing goosberry.. but it's a bit out of fashion now

Of course I know him. He's me.

Are you asking for examples of other phrases like "third wheel," or are you actually asking if people here are familiar with the term "third wheel"?

C'xxk blocker

Kids would say, this is an A B conversation so "C" your way out of it.

Gooseberry, in British English. https://dictionary.cambridge.org/dictionary/english/play-gooseberry Also, spare part.

the only other one i was able to find was "fifth wheel" which is basically a "third wheel" but with a second couple in the mix.

In Spain, having a third fella ruining the romantic date of a couple (which I was led to believe it's what means third wheel) it's called "violinist".

unicorn - this is a special type of third wheel that has a threesome with the couple

You can say “like a spare prick at an orgy”, but the meaning is slightly different.

In Urdu it's " کباب میں ہڈی" (bone in Kebab)

In Urdu it's " کباب میں ہڈی" (bone in Kebab)