perhaps corruption of potato
slang, often used with 'sweet'
At Sixty-sixth he came sasshaying right down the car and said 'Hello, patootie!'
[1921+; perhaps fr a play on sweet potato suggested by sweetheart and potato as used, like tomato, to mean a person]
The buttocks; fundament; ass: You hear with your patoot, curlylocks/ Talk about a horse's ptoot
[1960s+; origin unknown; perhaps fr dialect tout, ''buttocks,'' fr Middle English, pronounced toot, and altered to conform with sweet patootie by folk etymology]