Mask: Every time I see a post about updog I'm torn between not wanting to fall for it and wanting to help the poster complete their joke.
Red: Okay, but what's "updog"?
Lore: Updog is a long sausage in a bun often served with ketchup, mustard, onion, and/or relish.
Rune: No, that's a hotdog. Updog is when a new version or patch of an application is released.
Steam: You're thinking of an update. Updog is when you end a sentence with a rising intonation.
Emerald: No, that's uptalk. Updog is the fourth-largest city in Sweden.
Ruby: Surely that's Uppsala, whereas Updog is the giant spider from Harry Potter.
Shadow: That's Aragog. Updog is a symbol conventionally used for arbitrarily small numbers in analysis proofs.
Vio: You're thinking of Epsilon. Updog is an upwards-moving air current.
Wind: No, that's an updraft. Updog isn't a noun at all, it's a verb; it basically means to chew someone out, to harshly lecture them.
Gen: No, that's upbraid. An updog is a small dog that likes cuddling on people's laps.
Sapphire: No, that's a puppydog. An updog is when the Mets win.
Dusk: No, that's an upset. An updog is the modern version of a henway.
Rune: What's a henway?
Oni: Oh, about five pounds.