To Jizz ones pants at any given moment, regardless of normal sexual encounters. The saturday night live skit "Jizz In My Pants" emphasizes the disastrous effects of a rallen multiple times.
So i was sitting in math class, and I just rallened the lining of my boxer shorts
by Curiousp January 15, 2009
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awesome, amazing, cool, and any positive word there is.
"That guy is so cool"
"Yeah, that's Rallen"
by csh256 May 6, 2012
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