look up any word, like donkey punch:
 
1.
The noise one makes before they burst of laughing
Oh man, thats so funny I think I might prefsnart!
by Shmeurkale May 18, 2011
 
2.
(Pree-f-sh-nart) The noise someone makes before they burst out laughing
Oh man that's so funny I'm about to prefsnart!
by eurrrreeeekkkaaaaaaaaa July 26, 2011