Mein Gott, hilf mir, diese tödliche Liebe zu überleben

So people who insist on modifying the exhaust on their cars or bikes to make them louder and annoy everyone around them are Mufflermuffel.
And when you tell a grouch to stop complaining you’ll be a Muffelmuffler.

Thanks to the new mystery meat option in the replicators, yes, it is.