To forget proper etiquette when overcome with interest in or admiration for a new technology. Understood to be at best a faux pas, at worst a sin. Of Victorian origin.
awesome, inspiring, or otherwise impressive in a fashion appropriate to Hank Green, which is to say, all fashions available to the human race (and two which are normally only available to fish)
John, you're amazing, but you just don't have that hanksome something I'm looking for.