stank-ass noun 2adjective 1forms 1 noun2 •(vulgar, offensive) A very foul-smelling individual. •(vulgar, offensive) A contemptible individual. adjective1 •(vulgar, offensive) Very foul-smelling, stinking, unclean.He wants my love; he wants the love from here and just what's between your stank-ass legs. — 2010 formsstank-asses