Definition of hickeys:
(n) :
(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.
(n) :
A similar mark made by the pressure of a musical instrument such as a violin or viola against the neck.
(n) :
(US, slang, business, finance) An unintended negative outcome or loss in regards to a deal or action.
(n) :
(informal, slang) An object whose name is unknown or cannot be recalled.
(n) :
Local swelling in a tissue area, especially skin, often due to injury.
(n) :
(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.