Vengeful men on social media are staging punches, simulating stabbings and pointing firearms at the camera phones — which they call “training in case she says no.”

The “she” in question? Women who reject their romantic advances.

While the videos online are being framed as dating satire, advocates against domestic violence fear the trend could help normalize violence against women — as evidenced by shocking real-life events.

TikTok video shows a man punching a bag with the text “practicing in case she says no” in Portuguese. TikTok/@paulosoarestv

20-year-old Alana Rosa from Brazil rejected a man at her gym, Luis Felipe Sampaio, who had reportedly been bombarding her with gifts.…