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A piece of pasta found with other pasta noodles that do not share its type.
Formed from "imposter" and "pasta."
"That's not macaroni - impasta!
by Daveman October 24, 2005
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2
A piece of pasta that snuck onto your plate (not the type that you actually ordered), along with the type that you ordered.
"There's an impasta ziti in with my fettuccine!"
by jmill4000 October 07, 2017
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