Bad Dog, Dirty Dog, Get Back In Your Basket.

Term used to describe an act of sexual dirtiness. This could be used to describe an individual who sleeps with many people, or someone who has dirty sexual tendencies.

Definition originated in Bournemouth, UK. 2001
Riggers: 'Sjoberg, where have you been?'
Sjoberg: 'Slept with 4 girls in the last 24 hours - new record.'
Riggers: 'Ahhhh BDDDGBIYB!' (normally followed by high five, or similar gesture to congratulate)
by Blasted July 12, 2006
Get the BDDDGBIYB mug.