Tina Knowles Lawson aka Mama Tina She has shared yet another corny joke time on her IG. She shared a joke about “finish what you start” pretending to drink the rest of all the liquor she had in her house. Implying that drinking and doing drugs will help you find inner peace. This joke was to bring some humor to the stay at home order we are all on. Watch the video below for her corny joke lol.