The feeling that arrives when you are in bed and you have to pee but don't want to get out of bed.
1. Thought to self: "Ugh, I have to pee soooooooo bad! But I have a horrible case of Bed Bladder right now!

2. Trevor: "Dude, do you hear Max over there groaning?"

Jonny: "Yeah man, he's probably got a horrible case of bed bladder."
by ppg436 July 4, 2010
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