To say or assert something so patently stupid and preposterous as to generate widespread mockery. Named in honor of State Department Spokesperson Marie Harf.
The State Department Spokesperson was harfing on about how Islamic State jihadists only needed job opportunities in order to give up their evil ways.
Verb | The act of 'slipping' something, such as an idea, political argument, or theory/concept into a conversation where it does not really fit; like using a shoehorn / shoe-horn to slip a foot into a tight-fitting shoe
"We were talking about the upcoming music festival when all of a sudden Harry and Arnold entered the conversation, continuously shoe-horning trump and politics
When a gentleman caller tries to impress his female counter-part by engaging in behavior that would typically be more understated in normal situations.
Kevin: Look at Matt yelling at the TV like an idiot. He barely even likes baseball.
Ray: I know. He's just show-horsing because his girlfriend is here.