Meaning

1 senses
  1. (UK, colloquial, not comparable)Good-natured, while also being rather unintelligent.

Origin

From nice + but + dim, popularised by the character Tim Nice-But-Dim on Harry Enfield's Te

From nice + but + dim, popularised by the character Tim Nice-But-Dim on Harry Enfield's Television Programme.

Wiktionary, CC BY-SA 4.0 · source

See also

neighbours in the dictionary
nice-but-dim — meaning, examples, forms, synonyms | Krumeto