Skilometer

Skilometeris a play on the word "kilometer" and aslangterm meaning "British smile" most often used in the joke "Europeans when you smile instead of skilometer," a joke about how British people use the metric system of measurement rather than the imperial measurement system that the U.S. uses. The earliest known use of the joke in a meme is a Reddit post made on October 2020 to the /r/memessubreddit, becoming further popularized over the following years.