Characterized by galumphing; moving or behaving in a heavy, cumbersome, exaggerated, or enthusiastically ungainly way.
From galumph plus -tious suffix (similar to -itious as in 'repetitious'), creating an adjective form describing the quality or characteristic of galumphing.
This is a playfully made-up adjective that feels so right it should be in every dictionary—it's exactly how kids describe that friend who's lovably clumsy and enthusiastic!
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