Top Definition
When you're on a roll with whatever you're doing, be it homework or anything else, and you have to stop yourself to take a bathroom break.

A mash-up of the words "pee" and "derailed".
I finally got to the last page of the math review package, but I was peerailed before I could finish.
#interrupted #bathroom #break #derailed #pee
by DIEmoviestars April 03, 2012
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