It's the scouse version of space docking except after the evil deed has been done you proceed to steal the tires off your victims car while they are washing away the faeces.
Scouser 1 - Do you wanna buy any tires laa?
Scouser 2 - No laa i'm goin Albert Docking this weekend.
Scouser 1 - Go 'ed lad ! i did that last weekend with my Sister.