rig out verb3 •to provide with equipment or gear •To dress; to clothe, especially in an odd or fanciful manner."Mr. Watson 's a splendid judge of washing, I guess. I don't approve of children being rigged out in fancy colors, but I 'll see what your aunt Jane thinks." — 1903 •to expel the holder of an office or other position by means of rigging the election. formsrigged out · rigging out · rigs out