Stink out Definition 1 of 1Pro Tip 1/3Negative Connotation The phrase often implies disapproval or disgust due to a bad smell. Despite the clean-up, someone managed to stink out the cafeteria again. Pro Tip 2/3Informal Usage Used in casual conversation, not in formal writing or speaking. I can't invite friends over; my roommate's cooking always stinks out the apartment. Pro Tip 3/3Active Form Often used actively with someone causing the unpleasant smell. He's stinking out the bus with his unwashed gym clothes.