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
Wow, that was some serious banana horning we took part in last night. I don't ever remember you ever being that hard. Do you want to banana horn later on today?
Look at my roommate with a huge stiffy under his sheets... he is totally horning this morning! Instead of getting out of bed in the morning, she decided to lay there a few extra minutes horning over the boy she met that weekend.