When a person reaches age of 30 and feels inclined to take uncontrollable naps throghout the day. may also be linked to urinary incontinence.
by Sergeant-bathes-donkeys January 06, 2012

Person 1 *wakes up*: Holy crap, I fell asleep.
Person 2: Yeah you fucking did. You've been asleep for 3 hours.
Person 1: Power nap.
Person 2: Mate, that was a granny nap.
Person 2: Yeah you fucking did. You've been asleep for 3 hours.
Person 1: Power nap.
Person 2: Mate, that was a granny nap.
by AmyVHS October 17, 2008
