nookie /ˈnʊki/ noun3 •(slang) Sex or other sexual activity, especially if illicit.I came home early and caught them on the couch having a bit of nookie. •(slang) An attractive woman, when considered as a sex object.I’m smelling like dope and I’m shooting for more / Eyes glued to the nookie moving slow on the floor — 2002 •(US, informal) A pacifier. formsnookies