Pun of the Day Decades ago, watching late night TV was found to be Carsonogenic. 02/16/2024 · The Pun Gents Decades ago, watching late night TV was found to be Carsonogenic. Tagged: cancer, diseases, Johnny Carson, television, tv HilariousPretty GoodOKPretty BadTerrible (1 votes, average: 4.00 out of 5)