Andrex moment

This would be when you have that situation where you drop a roll of something on the floor and as it rolls away it un-ravels what ever the contents of the roll was ...leaving you the to complete the arduous task of 're-rolling' except this bit is not like in the advert...

Andrex moment
Examples can include:

Bathroom setting - loo roll
X-ray or hospital setting -

paper roll falls of end of bed