If I suspend all possible disbelief, the best scenario is a rich white kid raised in Apartheid South Africa giving "Roman Salutes" to troll people for his own personal LOLs?
"... commonly considered a symbol of fascism that had been based on a custom popularly attributed to ancient Rome.[1] However, no Roman text gives this description, and the Roman works of art that display salutational gestures bear little resemblance to the modern so-called "Roman" salute."