An opponent predicts exactly what you would say, but refuses to, or can't explain why you are wrong. This is an anti argument because the opponent isn't making a point nor debunking yours.
Joseph Joestar knew DIO would say "kono dio da", however, that does not change the fact that DIO can rock his shit.
During a debate about the wage gap, a leftist says to a right wingerin retaliation to an argument they made: haha why did I somehow know that you would say that "the study only compares two checks between a man and a woman. It does not not take the other factors into account, such as hours worked, efficiency of the product, etc". That means that you're wrong because I knew you would say that. They used the Toyu Fallacy