Top definition
a combination of the phrase "the shit", and "hilarious". Commonly used to show how much one thinks another person is hilarious, and at the same time, the shit.
"Oh, Kristi Bisty! You're so shilarious!"

"Did you see South Park last night?! It was the most shilarious thing I've ever seen!!"
by Dan-o-lantern November 06, 2007
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