Daff \Daff\, n. [See {Daft}.] A stupid, blockish fellow; a numskull. [Obs.] --Chaucer. [1913 Webster]
Daff \Daff\ (d[.a]f), v. t. [Cf. {Doff}.] To cast aside; to put off; to doff. [Obs.] [1913 Webster] Canst thou so daff me? Thou hast killed my child. --Shak. [1913 Webster]
Daff \Daff\ (d[.a]f), v. i. To act foolishly; to be foolish or sportive; to toy. [Scot.] --Jamieson. [1913 Webster]
Daff \Daff\, v. t. To daunt. [Prov. Eng.] --Grose. [1913 Webster]