intercourse between closely related persons, as between a parent and a child or a brother and sister, and sometimes between first cousins.
ETYMOLOGY: From the Latin incestus , meaning impure, unchaste.
QUOTES: From Encyclopedia of Graffiti Robert Reisner & Lorraine Wechsler (1974):
-- ' Call it incest, but I want my mommy.'
-- ' Incest, a game the whole family can play.'
-- ' Incest is relative.'
-- ' Vice is nice, but incest is best.'