I bet there is one in German, they always have words for interesting things like that. To be fair, I think there should also be a word to describe the effect o

I bet there is one in German, they always have words for interesting things like that. To be fair, I think there should also be a word to describe the effect of someone beginning a phrase that invalidates the rest of their argument..eg "According to CNN..." *Edit* Sorry about the pronouns. Here is a German phrase that is close to what is needed. Backpfeifengesicht