The combination of a threat and a promise, threatening someone with an action but mostly making it a promise to avoid legal repercussions.
Person 1: "I am going to plow you so hard you won't walk right for a week."
Person 2: "Is that a threat?"
Person 1: "That's a thromise."
Person 2: "Is that a threat?"
Person 1: "That's a thromise."
by Madampresident January 16, 2015
by Le David Raab August 25, 2006
by DJ_Diyam January 09, 2023