hydrocrastinate
Procrastinating drinking any liquids because one is worried that one will have to go pee during the coming few hours.
Tom: "Hey, dude, wanna get a PowerAde? I'm bout to get one now from that machine."
Jeff: "Naah I'll hydrocrastinate. I'm taking the SAT today and I can't get bothered in the middle of a section."
Jeff: "Naah I'll hydrocrastinate. I'm taking the SAT today and I can't get bothered in the middle of a section."