Because if he fell on it, he would risk being found
with his bum sticking up in the air displaying the phrase 'E R', which might suggest to his fellow inmates that he was welcoming their attentions....
(
Ptolemy the man with the silent pea,
Fri 16 Jan 2009, 21:30,
archived)
He'd love it, the big gay.
(
Mu Dinofiddler,
Fri 16 Jan 2009, 21:31,
archived)