A-20 Syndrome Share definition Flag It is a sickness, A = Amo(n)g( )us, 20 = 2020. It is if you're seeing amongus in everything.. YOO HE HAS THE A-20 SYNDROME FRFR; THAT CAN IS AMOGUS yall weird YOUR FINGERNAIL A-20 Syndrome by LLCCH February 15, 2024 Get the A-20 Syndrome mug.