Most often used by 3rd wave feminists to bully weak men out of opposing politics that gets them more power and money. The 3rd wave feminists dress this up as "equality".
From analogy with fat shaming.
Man shaming feminist to her girlfriend - "Look at Bob 'taking charge' of the BBQ..."
When feminists can't hold a rational debate, they start forcing guilt on men and shaming them by:
-Twisting what's been said out of context
-Putting words that haven't been said into their mouths
-Saying things that are irrelevant to the point in hand
Or any other technique that revolves around blaming the male in a speculative and/or petty manner.
"I tried to point out to Barbara that her girl-only cake sale was sexist but she started manshaming me for the treatment of women in the Middle East."
Fogey/fogy /fougi/ sl. (early 18C+, orig. Scot) old-fashioned, stuck-in-the mud.
Person with old fashioned ideas which he is unwilling to change: Come to the disco and stop being such an old fogey!
You think me an old fogeyand an old tory, his thoughtful voice said. I saw three generations since O’Connel’s time. I remember the famine. Do you know that the orange lodges agitated for repeal of the union twenty years before O’Connel did or before the prelates of your communion denounced him as a demagogue? You fenians forget some things. (James Joyce, Ulysses. Penguin Books,1992. p. 38)