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1.
A Girl/Boy that has an oral fixation with necking. A serial necker is not a usual slag or man whore that enjoys sex, this type of whore necks (kisses) anything that has a pulse
Person A "have you seen Kirsty, she's necked 5 guys tonight"
Person B "yeah, she's a serial necker"
by Poot Machine September 24, 2011