A trick, gimmick, or scheme; a dialectal or informal variant of 'gimmick.'
Likely a variant spelling of gimmick, with roots in Yiddish 'gimgl' or Irish origin; represents how gimmick itself is traced to circus and magic terminology.
Words like gammick show how dialects and regional variations create shadows of official words—every region has its own way of saying the same thing, and these variations prove language is alive and diverse.
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