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The female version of a Nittany Lion. Often a Penn State (PSU) graduate. May also be, simply, a woman from Pennsylvania who has no affiliation to the school or a woman who is not a graduate but is a fan of PSU.
I saw a Nittany Lioness buying a PSU sweatshirt for hir PITT boyfriend. Is she nuts?

That Nittany Lioness is such a bitch . . . I don't know what her husband sees in her. We were having a "Go Michigan" party, and she sat there rooting for Penn State.
by Divadoll January 21, 2009

Words related to Nittany Lioness

lion lioness nittany penn state pennsylvania psu