It is the opposite of saying Whose Mans Is This? towards a woman who kills the moment or does something that's not cool or simply being lame.
A woman puts her credit card info on a birthday cake & posted up on her facebook page publicly or on TV.

You gotta say this out loud: Whose Womans Is This?

Just Like Whose Mans Is This?
by Beautifullanier June 8, 2017
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