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1.
An unfortunate rash on the face which results from kissing somebody with a beard.
I like, totally made out with this lumberjack, and his beard, like, gave me this pash rash...
by Laffertron March 07, 2006
 
2.
a rash around the perimetre of the lips that is caused by pashing/snogging a guy/girl with facial stubble, resulting in a nasty ass rash.
Karen came to school the next day with a scarf over her mouth because her pash-rash was so obvious
by Cricketa' September 17, 2005
 
3.
a rash u get if u pash way 2 fuckin much
OH my god! Check out your pash rash, that is so wrong!
by CUT THE CHEESE December 13, 2004