“Pick up that can” comes from Half-Life 2, Valve’s 2004 first-person shooter, during the early City 17 sequence where a Civil Protection officer orders the player around. The line became one of the game’s most quoted snippets because it captures the oppressive tone of that opening so well. Over time it spread through YouTube edits, gaming memes, and streamer references, and it still shows up whenever people want a quick shorthand for pointless rules, surveillance, or low-stakes humiliation in a familiar game voice.