Is where a woman is performing oral to you and right before you ejaculate she "tosses" your sack out of the way and punches your taint (space between anus and scrotum). This action causes the man to cum and crap himself at the same time.
Its my birthday tomorrow i hope i get a Cincinnati Blumpkin Toss.
by HVeniEVidiLViciM February 07, 2011
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