flippy-floppy adjective 1noun 1forms 3 adjective1 •(informal) Floppy. noun1 •(old-fashioned) A two-sided floppy disk; a flippy disk.Double density and “flippy-floppies” are also on the horizon. A flippy-floppy allows data recording on both sides; regular floppies can use only one. — 1975 formsflippy-floppies · more flippy-floppy · most flippy-floppy