Dungeons & Dragons sessions tend to be pretty lighthearted affairs, and even when the stakes are high and the pressure is on to roll that critical hit (or at least refrain from rolling a critical fail) players are still happy to be gaming.
Which is why memes and D&D go together like Hot Pockets and Mountain Dew, and RPG memes help us keep the torch fires burning until we next descend into the dungeon depths in pursuit of glory and XP.