See Also:

yah boo (iou)



yah boo interjection & noun. [j¨»: 'bu:] slang. Also ya boo. E20.
[from YAH interjection2 + BOO interjection.]
A. interjection. Orig. among children: expr. scorn or derision. E20.
b. noun. An utterance of 'yah boo!'. E20.