A young man was delighted to finally be asked home to meet the parents.
He was quite nervous about the meeting, though, and by the time he arrived punctually at the doorstep he was in a state of gastric distress.
The problem developed into one of acute flatulence and halfway through canapés the young man realized that he couldn't hold it in one second longer without exploding.
A tiny fart escaped.
'Spot,' called out the young woman's mother to the family dog lying at the young man's feet.
Relieved at the dog getting the blame, the young man let another slightly larger one go.
'Spot,' she cried out sharply.
I've got it made, thought the fellow to himself. One more and I'll be fine. So he let loose a really big one.
'Spot,' shrieked the mother, 'get over here before he shits on you.'