Bob Tattoo

'There was a lady who workted at a bar and everyone called her 'Big Boobs' or 'BB' for short. One day she wanted to get a tattoo so she decited to get a 'B' on each butt cheek. She went home to her husband showed him and he yelled, 'Who the Hell is Bob?' '  

Found at
http://your-joking.atspace.co.uk/