We found one dictionary that defines the word knock someone on the head:

General (1 matching dictionary)

1. knock someone on the head: Oxford Learner's Dictionaries

▸ Words similar to knock someone on the head ▸ Usage examples for knock someone on the head ▸ Idioms related to knock someone on the head ▸ Wikipedia articles (New!) ▸ Words that often appear near knock someone on the head ▸ Rhymes of knock someone on the head ▸ Invented words related to knock someone on the head