1 definition by Jacob Krieg

Top Definition
1. That which is located below the waist that makes the owner proud.

2. Passing gas in a way that causes ripples in both the thighs and the air around it.
1. Tonight, if things go right, Sara will be taking a gander at my down-under thunder

2. Man, I have a bad case of the down-under thunders
by Jacob Krieg May 22, 2008
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