Top Definition
LAHP stands for "laugh at Harry Potter" and "laugh at homeless people", used mostly on the Internets
I was walking down the street and saw a homeless person and said "lahp!"

The other day I was watching Harry Potter and I lahped so hard!
by Jinam June 05, 2008
lahp is short for "laughing at handicapped people." It is a term used on the internet in the same way that "LOL" (laugh out loud) is used - to describe how funny something is.
Did you see that headshot?? lahp!!

Holy shit that's funny!! I'm lahping SO hard!!
by Benji87 April 10, 2007

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