Also spelled Geewhillikins
intj
Meanings
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1
intj
dated and informal, chiefly US: an exclamation of surprise, astonishment, or delight
Gee whillikins, that was a much louder explosion than I expected!
Thesaurus
Etymology
An expanded form of gee, the mild exclamation probably used as a euphemistic shortening of Jesus. Whillikins and related forms such as whillikers are of uncertain origin. Variants of the phrase are recorded in American English from the mid-nineteenth century.