definition of
scatty

[1] #1 scatty s. [rattlebrained, rattlepated, scatterbrained] lacking sense or discretion; "his rattlebrained crackpot ideas"; "how rattlepated I am! I've forgotten what I came for"- Glenway Westcott. wn

[2] #2 scatty s. [absent, absentminded, abstracted] lost in thought; showing preoccupation; "an absent stare"; "an absentminded professor"; "the scatty glancing quality of a hyperactive but unfocused intelligence". wn