merkin

enUK

mer·kin

M0230750 (mûr′kĭn)n. A pubic wig.
[Alteration of obsolete malkin, lower-class woman, mop, from Middle English, from Malkin, diminutive of the name Matilda.]

merkin

(ˈmɜːkɪn) n1. an artificial hairpiece for the pudendum; a pubic wig2. (Anatomy) obsolete the pudendum itself[C16: of unknown origin]