Yes, Republicans grumble (rightly) against the Obama green-energy subsidies.
They grumble that they would give me major points for just getting it in this month.
But Google grumble grumble makes me compose new messages in a tiny window, you say.
1580s, from Middle French grommeler "mutter between the teeth" or directly from Middle Dutch grommelen "murmur, mutter, grunt," from grommen "to rumble, growl." Imitative, or perhaps akin to grim. Related: Grumbled; grumbling.
1620s, from grumble (v.).