The French Monarch Share definition Flag A sexual act which involves a person jacking you off and then as you are about to cum they put your dick into a guillotine and chop the head of your penis off. Bro 1: "I did The French Monarch with this girl last night!" Bro 2: "What the fuck dude!?" The French Monarch by z4sniper September 4, 2019 0 0 Get merch