Top Definition
A type of TransFormer which does not actually transform, but which is instead an action figure with advanced articulation (similar to a GI Joe figure). Half the Action Masters were converted versions of earlier characters, and all look like they should have alternative modes. They also have transforming companions or accessories. They are very controversial among transformers fans, because many feel that they aren't transformers if they don't transform.
Action Master Soundwave, unlike the original Soundwave, could no longer transform into a cassette player; he also could not eject cassettes. He did, however, have a companion, WingThing, which transformed into his weapon.
by Andy April 17, 2004
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