dumbass /ˈdʌm.æs/adjective 1noun 1forms 6 adjective1 •(vulgar, offensive) Stupid, foolish.That dumbass driver ruined my car! noun1 •(slang, offensive) A stupid or foolish person.The dumbass walked off with my car keys and left me hers. formsdumbasses · dumberass · more dumbass · dumbassest · dumbestass · most dumbass
