cutie pants 

Pertaining to a female with amazing features, usually of face and body, that warrant mentioning to one's friends. Synonyms: bangin', gorgeous.

Now that girl...she is a cutie pants.

cutie pants by Kevin October 5, 2004

cutie pants 

A term of endearment, usually expressed as a sudden exclamation over a child & not primarily related to looks or appearance, but rather the overall sweetness of the child a combination of behaviors, acts or expressions. Sometimes used when a child does something sweet, but unexpected or surprising. This colloquial phrase expresses the feeling of delight over the child's cuteness by the person making the exclamation. Sometimes expressed (but rarely) over teens or young adults. An American colloquialism.

What a little cutie pants!

cutie pants by RR55 January 24, 2022

cutiepants 

Like a hottiepants only cute.

Girl 1: Woah look at that guy!
Girl 2: Hes such a cutiepants!

cutiepants by xxemokidxx December 25, 2005