"sweetheart, pretty girl," colloquial American English, 1921, perhaps a corruption of potato (c.f. sweet potato). Sweet patootie is recorded from 1919 as a generic exclamation.

Online Etymology Dictionary, © 2010 Douglas Harper

Examples from the Web for patootie

Historical Examples of patootie

  • At Sixty-sixth he came sasshaying right down the car and said 'Hello, patootie!'

    Jill the Reckless

    P. G. (Pelham Grenville) Wodehouse