What does BSDD mean?

BSDD meaning in Urban Dictionary

BSDD also known as 'straight back Stabbing Designated Driver' is referred to person who is defined out to function as the specific motorist in a situation in which his/her buddy are usually in the offing to get lost that evening. The 'BSDD' is known to get intoxicated initially on purpose leaving him/her incapable to push having him/her's buddy off to function as the new 'unplanned' designated driver making that individual to remain sober for the rest of the night time and passing up on a lot of drunken fun him/her decided for week-end.