Pun of the Day I wasted millions inventing the Sleeveless Mouthwash: it was a foolish in-vest mint. 02/20/2023 · The Pun Gents I wasted millions inventing the Sleeveless Mouthwash: it was a foolish in-vest mint. Tagged: business, hygiene, inventions, money HilariousPretty GoodOKPretty BadTerrible (3 votes, average: 2.67 out of 5)