int. Obs. [? an instinctive exclamation; but cf. FOOT sb. 1 b.] Used to express surprise.
1602. Marston, Ant. & Mel., II. Wks. 1856, I. 23. Fut, how he tickles yon trout under the gilles! Ibid., III. 35. Feli. Fut, what trebble minikin squeaks there?