An expression used by the professional CoD player for OpTic Gaming and entertainer OpTic Scumper. Often used for guaranteed laughs or to lighten the mood. (or just randomly)
Boze: "Yo Scump you tryna hit up Ihop?
Scump: "Sing Tao!"

{3AM in the morning in the OpTic Scuf House}
Everyone in the house:"*silence*"
Scumpii: "SING TAO BAGACK SHMANG DONG MY BOY"
by Sir Glenjamin April 5, 2016
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