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A style, person, accessory, or article of clothing that is preppy, a little spunky, and also peppy. Speppy should always be colorful and stylish, and never punky.

other forms: spep, speppiness
Wow, Eileen looks really speppy today!

He looked pretty speppy at the dance with his aqua shirt and pink bowtie.
by kellogs143 May 17, 2011
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