Top definition
A chant that is said starting quietly while continually getting louder until you can't take it any more. Only to be sung while drinking Mad Dog 20/20. Very popular in Germany, hence the German word Zwanzig for 20.
md zwanzig, MD Zwanzig Zwanzig, MD ZWANZIG ZWANZIG, MD ZWANZIG ZWANZIG!!!!!!
by Krist Mahler April 29, 2007
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