fugly /ˈfʌɡ.li/adjective 1noun 1forms 3 adjective1 •(slang, vulgar) Extremely ugly."Fugly?" "Like extra-double ugly with cheese. It's when ugly goes off the scale. She looked like an angry handbag." Billie squawked in delight. — 1995 noun1 •(slang, vulgar) An extremely ugly person. formsfuglies · fuglier · fugliest