1 (wiktionary) 2 (fr.wikipedia) 3 (en.wikipedia) 4 (glosbe)

Verbs Nouns Adjectives/Adverbs Pronouns Prepositions Conjunctions
blah blah blah (Advanced search)

blah blah blah {interj} (a put-down to silence someone) blah blah blah {interj} (a stand-in for trivial, obvious, or boring content)