The leaping-chest-bump, long a staple of goal celebrations in ghey euroweenie football, migrated across the pond to the U S and A after Munich Germany dance-pop act Milli Vanilli performed the celebration in their 1989 number 2 on the Billboard charts hit Girl You Know It's True. Not long after receivers and tight-ends in college and professional ranks of American football began imitating the questionably homo-erotic act as a touchdown celebration.