Top definition
when someone trips and falls on something that doesn't exist. Happens most often while walking up stairs.
"This girl was running down the hallway, and all of a sudden, aerotrip! She flew about 10 feet, sprawled out on the floor."

"He was running up the stairs and aerotripped, causing everyone behind him to aerotrip, as well."

trip moron stupid bagorocker retard tard splat
by Bluegutsoup April 08, 2010
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