The Collaborative International Dictionary of English v.0.48:
Totty \Tot"ty\, a. [OE. toti. Cf. Totter.] Unsteady; dizzy; tottery. [Obs. or Prov. Eng.] --Sir W. Scott. [1913 Webster] For yet his noule [head] was totty of the must. --Spenser. [1913 Webster]