This a wind up !!

[lesstatt]

Bloke at work today told me that if you are if a motorhome or caravan and start the day at sea level, then drive to where its several thousand feet later in the day. To make sure you have the on board toilet lid down, as when you next use it flush it first with nothing in it, as with the pressure difference due to height causes what's I n the bowl goes all over the walls, true or not ?

[lesstatt]

Blimey there you then, old trigger wasn't lying after all