This is the 5311th most frequent Dutch word.
knab
"Knab" is not a standard Dutch word. It may be a typo or slang.
Here, 'knab' represents a term that might be used in certain dialects as a colloquial or slang expression.
Mijn vriend gebruikte vroeger het woord 'knab' vaak in zijn dialect.
My friend used to often use the word 'knab' in his dialect.
In this context, 'Knab' refers to a specific entity, possibly a proper noun such as a company.
Het probleem met het internetbedrijf was opgelost door Knab.
The problem with the internet company was resolved by Knab.
Here, the word 'knab' is used as an onomatopoeic sound to describe a particular kind of noise.