Another word for uncircumcised. The extra skin on a males penis. It's also known as a Skorup or a Gremp.
"That guy Brian Wheeler showed me his penis. It still has Siebert on it." "Oh boy, Sometimes I wish my parents had me circumcised. I can't stand having a Siebert penis."
by MCHamBusta August 04, 2012
Get the mug
Get a Siebert mug for your cat Manley.