officialmillionairethoughts on Instagram: "David Jacobs (born March 3, 1942) is an American trampoline gymnast. During the 1960s, he won several top-level trampolining medals. He became popular in 2019 due to appearing in a comical segment on Impractical Jokers. In the 2019 episode "Irritable Vowel Syndrome," a 77-year-old Jacobs was shopping at a Fairway Market when he was approached by comedian Brian Quinn, who was performing a challenge for the show. Quinn performed the challenge by posing as