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1.
A worthless, expendible person. In television an unrecognized actor whose character, one suspects, will not survive the episode.

Named for the uniform color of expendible cast members on Star Trek.
That guy's a redsuit--he doesn't stand a chance against that that pissed-off Klingon.

OR

That hatchet woman they brought in from corporate thinks she's all that, but she'll shit bricks when she finds out she's just another redsuit.
by SamsaRant November 05, 2010