A dance that can only be performed perfectly by one individual. It's often done as a source of entertainment in front of large groups of people who will proceed to mob around the awesomeness and chant the beat that is necessary for the dance to be performed. This chant goes "greg. greg pepe. greg gr greg gr greg pepe." And when spoken aloud the individual will magically appear flailing about in dance.
An alternative definition is; a potential fire hazard in high school halls.
Did I miss anything at 100 nights dinner?
Yeah, you missed the greg pepe dance, it was awesome.
Why's that guy's face all scarred up?
He was in a school building when the fire alarm went off, but he didn't get out fast enough because he was mesmerized by the greg pepe dance in his way.
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.
Pajama casual is a term used when working from home and preparing for a video conference. All business above the waist and your pajama pants down below.