Top Definition
When you sit on the table, and you fart. The resulting roaring sound is a Mississippi Rumbler.
Andy: Hey have you heard of a Mississippi Rumbler?

Dalen: No I haven't.

Andy: (farts) Ha, now you have! That registered a 8.2 on the Rumbler scale!

Dalen: Oh man!
by The Mississippi Rumbler November 12, 2009
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