https://youtu.be/6U6v3XyrPLc?t=43
For years after playing that game, I would always say "Yeah!" whenever I picked up a rock, and I'd always look for bats every time I entered a room.
After my friend and I (whose Mac we both relentlessly played Dark Castle on) went to pick up a big chunk of hash from his pot dealer, we both looked at each other and said "Yeah!" Fortunately we refrained from throwing it at a bat.