when you are titty fucking or getting a blow job and you cum, obviously not in the chicks mouth but on her chest and neck. it drips down the side and creates something looking like a pearl necklace made of cum.
A sexual act in which the male partner ejaculates over the face, chin, neck, shoulders and / or breasts of the female partner at climax. Frequently the result of a blow job or a titty-fuck. Named for the piece of jewelry and the similarity between it and the position / appearance of semen following ejaculation on these areas.