noun. A barf-worthy boy or babe who may not be marriage material, according to our sources.
Related terms: sex bomb, slutbomb, skankbomb, fuckbomb.
Real citation: "The boyfriend, Pete Doherty, is the heroin- and cocaine-addicted musician, burglar and all-around yuck-bomb whom the model has been seeing off and on for months."
(Rebecca Traister, "The rise and fall of Kate Moss," Sept. 23, 3005, Salon, http://salon.com/mwt/feature/2005/09/23/moss/)
Made-up citation: "Since cutting my long hair, I'm less often mistaken for a yuck-bomb, though I'm still widely considered a rancid fuckwit."