Green’s Dictionary of Slang

vajayjay n.

the vagina.

[US]T. Robinson Hard Bounce [ebook] [M]y [...] brain didn’t disappoint by giving her va-jay-jay fangs or replacing my dick with a dachshund.
[UK]‘Aidan Truhen’ Price You Pay 82: The whole thing happens [...] the way an egg comes out of a chicken’s vajayjay.