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1 definition by Nacho Anal

 
1.
Imitating the bass of dub-step music.
Before going out to listen to dub-step music, many will imitate the music and move their hands and head frantically to the music and say. . .

"Whomp, Whomp, Whomp, Whomp, Whomp."

Many who do this, are called "Dup-Steppas!!"
by Nacho Anal February 04, 2010