twerktastic /ˌtwɝkˈtæstɪk/ adjective1 •(slang) Excellent in a way involving twerking; ideal for or conducive to twerking.Nothing can compare to Miley's twerktastic performance last year, but with that butt-filled opening I think things came fairly close. — 2014 formsmore twerktastic · most twerktastic