Top Definition
Drinking multiple glasses of water before going to sleep, to help ensure you wake up early due to the need to pee. (Allegedly a technique used by the Apache during the Apache Wars to wake up for pre-dawn raids.)
I got in at 3:00 AM so I set my Apache alarm clock to get up for my 8:00 class. I had to pee so bad I thought I'd put a hole through the toilet...
by RevWaldo January 09, 2010
9 Words related to Apache alarm clock

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