Have you never heard the expression 'dirty stop out' ?
- oft' used in Yorks, Lancs in a (mostly) humorous way to a person who came home 'later than expected due to nocturnal debauchery'
In your case it is a dirty stop UP....
The nocturnal debauchery would still apply as you were probably doing something immoral and possibly illegal to various delectable Freelander parts .. or else perusing the empty-net for pictures of 'wheels and tyres' muttering things like "look at the size of the rims on that" and "Fooking 'ell - what I wouldn't give to GRAB 'ERS !!! - Knobbles like organ stops
" - whilst at the same time frantically typing with one hand....