What is ../,?
Used to express throwing "the goat" (aka "devil horns" or "metal fingers") when typing. Often used sarcastically or to annoy someone. Can be used mockingly in place of responses like "That's badass," or "Sick, man!" Also frequently applicable when someone says something awkward, embarrassing, or nerdy.
Friend 1: ...Of course, that's only if you completely disregard wind resistance and assume the entire situation is taking place at sea level.
Friend 2: ../,