Actually, its the name of a 70's rock band
[link|http://www.themoveonline.com/biogs_roy.html|...founded by Roy Wood.]
In any other context, its a typo...
jb4
shrub●bish (Am., from shrub + rubbish, after the derisive name for America's 43 president; 2003) n. 1. a form of nonsensical political doubletalk wherein the speaker attempts to defend the indefensible by lying, obfuscation, or otherwise misstating the facts; GIBBERISH. 2. any of a collection of utterances from America's putative 43rd president. cf. BULLSHIT