Your identical twin of a penis. Exactly the same dimensions, skin tone and "flaccid to
hard" growth velocity. Similar to Joey from
Friends hand twin, only it's your man-
junk.
Everybody has one.
"This dick is your dick, this dick is my dick, oh wait , that's your dick, no wait it's my dick"
Brad and Chad stood at urinals...
Brad: OMG,
dude - I think we're Doppelwängers!!
Chad:
Dude, what's a Doppelwänger?
Brad:
Dude! We have identical dicks!
Chad: Dude... That's Rad!