who doesn't need to fill the holes
in their relationship with a THIRD party.
The Big Bang Theory Season 10, Episode 18
from a Third World country
The Big Bang Theory Season 7, Episode 23
A THIRD of your group died
and you did nothing, for fuck's sake.
Money Heist Season 3, Episode 2
I get it. I'm the THIRD wheel. Heh.
The Big Bang Theory Season 3, Episode 4
...that sharing negative attitudes
about a THIRD party...
The Big Bang Theory Season 8, Episode 2