You ever chug a whole bottle after a run? You can almost hear your stomach scream, "Slow down!" Your gut isn't a bottomless sieve. When you gulp air along with the water, you're just filling up a balloon that gets tighter and tighter.
That trapped air has to go somewhere. Up, down, or it just sits there, making you feel like a human water balloon. Rookie mistake? Maybe. But we’ve all done it.
