Green’s Dictionary of Slang

(orig. US black) very unattractive.

1969		N.Y. Times Film Reviews n.d. 99/1: The irrepressible Fugly [i.e. a dog] who freely roams the town.
1984		in Sheidlower F Word 171: Fugly [...] fucking ugly.
1989		J. Lambert handwritten slang list n.p.: FUGLY - (fu)cking u(gly) .
1991		Guardian Weekly 15 Sept. 21: Your fellow drinkers back at the bar, for instance. Are they students? [...] They won’t be drunk at the end of the evening, they’ll be combooselated. They may be facemen (handsome) or fugly (fat and ugly).
1992		Picture (Sydney) 5 Feb. 18/1: The catch is that the bloke in question is friggin’ ancient, fugly as sin and, worse still, he’s a South African!
2001		Eble Campus Sl. Fall 4: fugly – (fucking +ugly) – extremely ugly.
2005		M. Latham Latham Diaries 79: It’s the revenge of the fugly faction .
2005		Salon.com 8 Mar. 🌐 The good, the bad and the fugly. A new fashion buzzword denotes monstrous sartorial sins – like guys with curly hair who wear mullets. Are we in the golden age of bad looks?
2005		Mad mag. Aug. 51: You can point out to the contestants that they’re fugly.
2012		C. Eble (ed.) UNC-CH Campus Sl. 2011 5: FUG — < fugly < fucking ugly.