fuckass adjective 3noun 1forms 3 adjective[before a noun]3 •(vulgar) Slapdash, second-rate; of poor quality or poorly put together.Where'd you get that fuckass haircut? •(vulgar) Worthless; annoying, unpleasant.I would go out, but I need to finish this fuckass assignment. •(vulgar) Used as a generic intensifier.An excited social media user gushed, “the scream i scrempt when i saw her hair oh my god taylor [Swift] dont do things like this to me AGHHHHH faux f–kass bob is BACKKKKKK.” — 2023 noun1 •(vulgar, offensive) A term of abuse: a despicable person.“Well,” Riker resumed, turning back to Rocky, “you listen up, fuckass. You speak when I tell you to. And that goes for the rest of you.” — 2000 formsfuckasses · more fuckass · most fuckass