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1.
Similar to a hot second a Gin Cookie is an all purpose term, meaning "just a second", or implies that somthing will be done quickly, as well as subsituted into every cliche saying ever to mean somthing is bad, hot, sexy, or how should I say this? Gin Cookie,

Etymology
Similar to the french "je ne se qua" this old british term can be used at any time
I will be there in a Gin Cookie

Look at the Gin Cookies on Pam

Pat: The shits hitting the fan!
Jon: I know this is turning into a real Gin Cookie
by A.Dubs June 20, 2007