Top Definition
The cutest, funniest, kindest, nicest, and the most desirable guy in this world!
Jarin, you shouldn't look up funny words in this dictionary.
by Icy May 16, 2004
The feeling you get in your butthole after pooping a lot.

Also known as acid bung.
I got diarrhea from some tacos and now have some major jarin.
by uofubry November 02, 2009

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