Top Definition
When you're in a lying down or almost lying down position, and are forced to do a sit up by a sneeze.
I could barely fall asleep last night; my roomie in the top bunk was doing sneeze-ups.

How am I supposed to fall asleep if i can't stop doing sneeze-ups?
by Nana707 April 13, 2009
5 Words related to Sneeze-up

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