Three guys travelling in an old-style railway compartment.
One says to his pal "Patrick, do you mind if I fart?" "Not at all Maurice, you go right ahead". Third guy just looks at them, says nothing, doesn't hear a fart but from the smell a moment or two later realises that someone's definitely farted.
A little later in their journey, Patrick asks "Maurice, do you mind if I fart?"
"Not at all Patrick you go right ahead". Again there's no sound but there's an ensuing smell
Finally the third guy (we'll call him Michael) says "Listen lads, I've endured your farts and I badly need to let one rip myself. Would it be ok with ye if I fart"
"No problem, go right ahead. It's only fair"
With that Michael left out a rasping fart the sound of which could be heard throughout the carriage. Whereupon Patrick turned to Maurice and said.......
"Oh look Maurice - a virgin"
