derpy /ˈdɝˈpi/ adjective3 •(slang) Foolish, silly.I bet that derpy editor had tons of free time and didn’t even try to run (the place). — 2011 •(slang) Having one's eyes pointing in different directions; strabismic. •(slang) Strange in appearance, weird-looking, silly-looking. formsderpier · derpiest