Pick up the empty cup on your nightstand
From Create Your Own Story
You can't really explain why this urge has suddenly overcome you, but you see no logical reason not to give in. You place the rather large cup under your cock and let it rip. Luckily, because of the cup's impressive size it holds your entire bladder of piss rather nicely.
Of course, now the issue becomes what are you going to do with a cup of your own urine?