[Mamzelle]

what does “cray cray” mean? I am thankfully out of touch.

[GOP_Party_Animal]

Very crazy.

[MissTed]

Means "crazy".

"Oh my gawd!! That is sooooo cray-cray!!"

Learned from my teenage daughter.

[Boogieman]

Crazy. Kind of an infantile thing, take the first syllable of a word and double it, like a baby would call a bottle a “bah bah”.