A term referred to a moment of complete
coincidence between two people. When two people each say the same thing at the same
time by accident, or
discover something in common between themselves, a moment of peen has occurred.
Alex: Did you see SNL?
Justin: Yeah it was great!
Alex and Justin at the same time: "...In a van
down by the river!"
Alex: ahhh! peeeeen!
Justin:
Peen!!
or
Alex: My favorite band is
Weezer!
Justin: Oh my god, me too!
Alex and Justin: Peen!!