One says to other, 'I can't be bothered to walk all the way home.'
'I know, me too but we've no money for a cab and we've missed the last bus home.'
'We could steal a bus from the depot.' replies his mate.
They arrive at the bus depot and one goes in to get a bus while the other keeps a look-out.
After shuffling around for ages, the look-out shouts, 'What are you doing? Have you not found one yet?'
'I can't find a No. 91'
'Oh Jeysus Christ, ye thick sod,
Spoiler:

