Below are possible answers for the crossword clue German's a mug or a genius.
8 letter answer(s) to german's a mug or a genius
EINSTEIN
physicist born in Germany who formulated the special theory of relativity and the general theory of relativity; Einstein also proposed that light consists of discrete quantized bundles of energy (later called photons) (1879-1955)
someone who has exceptional intellectual ability and originality; "Mozart was a child genius";
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