The abbreviated version of the term bogus or bogue that which carries the same weights and definitions when used in a sentence.
To be bo-bo is to be counterfeit, spurious, fake, imitating something superior, not genuine, lame, not cool, false, etc.
Part of the abbrev ev revolution.
Son: "I lost my job at the Super-K, ma."
Mom: "That's bo-bo, darling."
Wife: "Babe, don't make plans for this weekend, because I already have. We're going out with Chad and Tina."
Husband: "BUT Chad and Tina are so bo-bo!"
Wife: "I know, but they have a hot tub."