pin on

1. Attribute to someone, especially a wrongdoing or crime. For example, They pinned the murder on the wrong man. This expression uses pin in the sense of “attach.” [First half of 1900s]

Example Sentences

She reflects that her response — “There is nothing that comes to mind” — landed as if she’d “pulled the pin on a hand grenade.”

From Los Angeles Times

The analyst dropped a pin on the migrants and the VaDER program began tracking their movement in a blue trail.

From Los Angeles Times

During a team meeting, Landman unfurled a map of Africa, tracing its outline with his finger before shading the small patch of land he calls home — wedged right above South Africa — to give his locker room a visual pin on where his story began.

From Los Angeles Times

“Senator Padilla chose disrespectful political theatre and interrupted a live press conference without identifying himself or having his Senate security pin on as he lunged toward Secretary Noem,” Tricia McLaughlin, an assistant Homeland Security secretary, said in a statement Friday.

From Los Angeles Times

"Senator Padilla chose disrespectful political theatre and interrupted a live press conference without identifying himself or having his Senate security pin on as he lunged toward Secretary Noem," they said.

From Salon