German words for "blabbermouth" -- may come in handy these days.

[Grasswire2]

chatterbox noun
Schwätzer, Quasselstrippe, Plaudertasche, Plappermaul, Klatschbase

loudmouth noun
Großmaul, Maulheld, Brüllaffe

chatterer noun
Schwätzer, Schwätzerin

blatherer noun
Schwätzer, Schwafler, Schwätzerin

windbag noun
Schwätzer, Quatschkopf, Schwafler, Schwätzerin, Phrasendrescher

gossip verb, noun
Klatsch, klatschen, schwatzen, Tratsch, Geschwätz

babbler noun
Schwätzer, Plaudertasche

gasbag noun
Gasflasche, Schwätzer, Schwafler

[The Velveteen Ocelot]

1. I'll go with a word coming from another country: Quisling.

He was a guy who collaborated with a hostile foreign power to help them take over his country. It rings a bell.

[Grasswire2]

2. And "collaborateur" for the minor players. nt

[Laurelin]

3. We need Russian...

Not German. 😎

[yonder]

4. Quasselstrippe has a nice ring but Maulheld or Quatschkopf is perhaps more fitting.

As in: "I see the Quatschkopf-in-Chief is wearing his quasselstrippe tie today."

[Floyd R. Turbo]

5. BLABBERMOUTH!

[Hekate]

6. I'll have to add one of those to my already-favorites: Schadenfreude and Backpfeifengesicht...

The Germans do have a way with compound words

[Initech]

7. I find that this applies to anything Chump has been talking about lately: