booky /ˈbʊki/ adjective3 •(slang) Treacherous, snitchy, not trustworthy.Bro I’m booky, I’ll take your food if my belly starts rumblin They rap about bootings, they ain’t blammed nobody Hold that properly when I bang that dotty I put sniff in a rex, and I slang that bobby — 2017 •(slang) Strange, scary, suspicious. •(old-fashioned) Bookish. formsbookier · bookiest