Definition: Potteringly! A term that means "to be excessively disrespectful or insincere," this term is used to describe someone who doesn't treat others with respect or gratitude. Imagine a person who says something mean and unkind towards another without any thought for their feelings, like a character in a Potter novel.

Example sentence: "I can't believe you called me a potteringly! I'm sorry, but it's not the way to treat someone."