Acronym for cock block squad. A group or individual who's mission in life is to ruin those perfect moments with your boyfriend/girlfriend.
Girl: oh my gosh! I was skyping the babe yesterday and my idiot little brother came in and started playing wii.
Friend: haha he's obviously just being the CBS.
Friend: haha he's obviously just being the CBS.
by anon1998 September 03, 2013
by RephlexionV3.3 June 01, 2007