A young guy walks up and asks 'what are you doing?'
'I'm fishing for tw@ts,' says the old man.
'Can I have a go?' asks the young guy.
'Of course,' says the old man, 'sit down on the edge of the pier and hold out your fishing rod.'
The young guy sits down, dangles his feet over the edge and holds out his imaginary fishing rod.
After a few minutes he turns to the old man and asks 'how many tw@ts have you caught this morning then?'
The old man replies,
Spoiler:
