sussed adjective2 •(slang) Sorted, organised; figured out, understood.Chippenham's hardly the romantic capitol of the world m′boy, but I see exactly what you′re saying, though I think you′ve got it more sussed than all us. — 2005 •(slang) Well-informed; in the know, savvy.[…] for example J-17′s February issue carried an informative quiz, ‘Are you sussed about sex?’ — 1999