Twin Peaksy adjective1 •(informal) Resembling or characteristic of the supernatural drama television series Twin Peaks.Also, Wendy Rule's album Deity features a song called Think of the Day which has that great guitar twang and laidback blues sound making it very Twin Peaksy indeed. — 1998 formsTwin Peaksier · more Twin Peaksy · Twin Peaksiest · most Twin Peaksy