Oklahoma quarterback John Mateer denies gambling on sports. He says descriptions on Venmo payments were 'inside jokes' between him and his friends and not literal.

However, it's common for teenagers to use the subject category on Venmo to make jokes at their friends' expense. Screenshots of posts from other athletes went viral in short order, and many used inside jokes or sexual innuendo for routine payments between friends.

Oklahoma star quarterback John Mateer, who transferred this season from Washington State, had past Venmo transactions surface labeled "sports gambling." He denies allegations that he bet on games.