woman-proofadj. impervious to the charms of women.
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1704 T. D'UrfeyTales 91 The Devil this time was Woman-Proof.
1926 C. BarryDetective's Holiday 94 He himself was woman-proof!
2002 G. MorrisJordan's Star 164 ‘Does it make you jealous for me to talk with another man?’ ‘Not a homely fellow like Ty. Besides, I think he's woman proof!’