When you make out with a random stranger, and later find out you both go to the same University. You then proceed to act confident and casual as fuck when you see them again.
First Guy: "Dude! There's that girl you kissed last night at the party!"

Second Guy: "Chill man, I'll just pull a Casual Peter."
by RiverDocs May 30, 2016
Get the Casual Peter mug.