I need a Creole equivalent to the expression "quick as a wink" or "in a flash".

Sure.

some of these expression might not make sense literally :)

Expressions for "in a flash"

Nan detan twa mouvman (in no time)

San pran souf (without taking a breath)

Brid sou kou (in a flash)

Rapido-presto (immediately)

Plop plop! (quick quick)

Vit vit! (quick quick)

Prese prese! (quick quick)

Nan yon klendèy,from the French en un clin d'oeil (in the blink of an eye)

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