Living being that has zero parents, zero grandparents, zero great-grandparents and five great-great-grandparents in common with other living beings.
irregular-triple-third-cousin.
Someone who teams up with imposters in the game Among Us even though they are a crewmate.
Blue (Crewmate): Pink is clear, I was with him the whole time. Has to be orange.
Pink (Imposter): Yeah, Orange is imposter.
(Blue is third impostering)
A third imposter is a person who acts like an imposter in the game among us while he is an innocent crewmate and gets every other innocents killed
Oh look a confirmed crewmate who scanned
D4 being third imposter: omg that person is an imposter I saw him vent I swear
*Innocent confirmed crewmate gets thrown out the ship*
Ninja is the third imposter.
Example: "It's Pokimane, and Valkyrae! 1 Million Percent!!" (Not Them) "Thanks for being the third imposter Ninja!"