Wherein they just "drop the magic words" and they automatically win the debate. It's like they don't even understand why you continue to argue. They said "TDS". Therefore, you lose they win. Don't you understand, libtard? It's GAME OVER!
Honestly, unless you miraculously stumble upon an intellectual conservative (which USED TO exist somewhat), who understand the basic concept of intellectual integrity, there is no point in engaging in political debate. All they care about is "beating the liberal in the debate", and they will try over and over to just end the conversation and declare themselves the victor with some simple-minded, canned quip they heard from a conservative figurehead.
They will NEVER, EVER concede that a liberal opponent has made a valid point. You could tell them the sky is blue, and if they think that's contrary to something they said before, they'll find some reason to declare you're wrong. They will not EVER admit you're right, they're wrong, no matter HOW solid your evidence is, they'll find some bullshit reason why your "source" is not to be trusted. They never, ever, ever, give an inch.
Their one and only purpose is to Win (by their estimation) and to ANNOY THE FUCK OUT OF YOU. Some of them will pretend to be much stupider than they actually are, just so they can laugh at you because you seem to believe they're THIS STUPID, when they're actually not, therefore you are the dumb one, the sucker. They love to fuck will us, because for them, intellectual integrity always takes a back seat to their experiencing the sensation of "winning". Even when they know you've rhetorically won the debate, they'll construct an argument for how they've won, just to piss you off. They find it amusing.
In the most basic evolutionary terms, they are the "competitors", we are the "cooperators", and we do not understand each other.
Actually really talking with them is an exercise in futility. Either they're too fucking stupid to talk to in the first place, or they're smart, but such intellectually dishonest dickheads that it's not worth your time