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Meaning of on the knocker | Babel Free

Noun CEFR C1

Definitions

Going from door to door attempting to buy or sell goods fraudulently.

colloquial

CEFR level

C1

Advanced
This word is part of the CEFR C1 vocabulary — advanced level.

See also

on the ladder on the lam on the lash on the latch on the level on the line