Top Definition
A metahuman is someone exposed to some mutagenic compound, such as in the form of a gas, that mutates them down to their DNA, either giving them a superpower or altering their appearance drastically.

See, also, Bang Baby
Bang Baby (a metahuman created by the metagas created by Alva Industries)
by DanMat6288 February 17, 2005
1 Word related to metahuman

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