Tiptoe \Tip"toe`\, n.; pl. {Tiptoes}. The end, or tip, of the toe. He must . . . stand on his typtoon [tiptoes]. --Chaucer. Upon his tiptoes stalketh stately by. --Spenser. {To be}, or {To stand}, {a tiptoe} or {on tiptoe}, to be awake or alive to anything; to be roused; to be eager or alert; as, to be a tiptoe with expectation.