A nipple; a mammilla; a teat.
- Midland U.S. A teat or nipple.
- Something resembling a nipple.
- Soft or semiliquid food, as for infants.
- Material lacking real value or substance: TV shows that offer nothing but pap.
- Slang Money and favors obtained as political patronage: "self-seeking politicians primarily interested in patronage, privilege, and pap” ( Fiorello H. La Guardia).