According to the fictional character Will Smith from the NBC sitcom Fresh Prince of Bel-Air it refers to the Philadelphia slang term for snack packs.
back in philly we call snack packs boomsheeka
av Merc-with-a-Mouth 14 juli 2009
a racial slur for describing people from India
Look at those boomsheekas over there with the dots on their forheads.
av cabajul 10 maj 2009
A big fat black woman
Hey Jamal Look at that Boomsheeka shakin her ass
av Paul 9 februari 2004