The innate ability to accurately locate and urinate in a toilet while in near or complete darkness. Similar to a bat's sonar. Applicable only to men (and technically, women who can pee while standing up).
"Man I had to piss like a racehorse at 3 this morning, but I couldn't find the light switch. Luckily my peedar was working well last night."
The really cool and intuitive dance you do when you're waiting outside the bathroom or when you need to go, but can't
- What hell took you so long man? I was out here doing the peedance for 15 minutes!
- I was waiting in line to a club, when my urinary bladder hit it's peak. Tried to peedance it away but it couldn't be helped, so i had to leave my place.