Top definition
A member of the Decepticon army, this robot specializes in Military Transportation. A triple-changer, Astrotrain has the ability to transform into both a train locomotive and a space shuttle, providing fast and efficient transport for his fellow Decepticons.

2) To have a confusing nature.

3) To posess two different alternate modes.
1) Astrotrain, get us out of here!

2) He's a weirdo, a total Astrotrain.

3) Dude, check out this new Transformer! Two alternate modes, it's all Astrotrain!
by Ascot July 19, 2003
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