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1.
The power to be able to suppress any urination needs regardless of the urgency and pain it may cause.
Joe: Dude! Stop the car! I REALLY need to take a piss right now!!
Pete: No can do, man! Just use your mind over bladder!
by medicalmechanica September 28, 2011
 
2.
when one uses their mind to block out urinary needs. the most effective way for a male is by having an erection; thus the semen and urine wouldn't mingle.
I used mind over bladder when I had to take a leak during this awesome movie. I thought of doing that chick in front of me to help get me through the whole thing.
by AllabastorMaroe October 01, 2011