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a marching band term. When Bibbers are worn and you look at a fellow marching band member's butt, you are not looking at the butt, but a bibber booty.
band member: "Dude, look at that bibber booty"
non-band member: "The what?"

band member one: "She has a nice bibber booty"
band member two: "I think I have a better one..." *slaps own Bibber Booty*
by MBnerd1232 November 23, 2016
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