noun

• (originally US, slang) A bruise-like mark made during petting by pressing the mouth to the skin on one’s partner’s body and sucking.
• (informal, slang) An object whose name is unknown or cannot be recalled.
• (printing) A printing defect caused by foreign matter on the printing surface resulting in a ring where the ink is missing, appearing as a spot of ink surrounded by a halo, or as an unprinted spot within a solid printed area.
• (printing, informal) A serif or other ornamentation on type.
• Local swelling in a tissue area, especially skin, often due to injury.
• A tool for making smooth, semicircular bends in conduit and pipe.
• (US, slang, business, finance) An unintended negative outcome or loss in regards to a deal or action.
• A surname from Irish.