An old Team Fortress 2 joke. Probably applicable to a few other team shooters, too.
The Heavy Weapons Guy woke up one morning to a bit of distress. His stomach was tied up in knots, forcing him into the bathroom for much of the day. After a few hours of this painful nonsense, he sought out the Medic for some professional advice.
“Ah,” the Medic exclaimed in his exaggerated German accent. “Go to ze Engineer und apologize, und you’ll feel az right az rain.”
The Heavy did, and within a few minutes, he began to feel much better. “Doctor! You did it! But how did apologizing to tiny Engineer help stomach?”
“Eazy,” the Medic giggled. “You had dissin-sentry!”