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E buster is when someone yells EEEEEEEEEEE so loud it makes the whole street cry and the crack head gets even more sad.
E buster screamed so hard the cops showed up and the crack head cried in the middle of the sidewalk.
My cousin did an E buster in the grocery store and the clerk dropped a whole bag of chips.
During the school lunch break, E buster happened and the cafeteria turned into a war zone.