- - When repeated twice, a classic joke cycle responded to with "Who's there?"
- - With 54-Down, intro to a joke
- - Find fault: Colloq.
- - Find fault with
- - Rap with the knuckles
- - To collide with something, bang or hit
- - Where in Scotland there's a Scottish chap!
- - Strike [a door]
- - Don't ring to criticise
- - Criticise what rapper does?
- - Tap loudly
- - Criticise the effect of a loose bearing
- - "Don't ... it till you've tried it!"
- - "...... on wood" (1979 disco hit)
- - "... on wood!"
- - When doubled, start of a joke
- - Disparage — seek admittance
- - Pound on the door
- - Unwanted engine sound
- - Skip the doorbell
- - Overcome completely; take by surprise
- - Be a rapper?
- - Rap on the door
- - Ring alternative
- - Irish airport to criticise sound of engine?
- - Seek an opening?
- - Sound eliciting a 'Who's there?'
- - Tap on door
- - Rap on door?
- - Troublesome engine noise
- - Hit nose on the counter, then back of neck
- - Company indicator?
- - Beef about
- - Repeated, a kind of joke
- - Rapper's introduction
- - Sound at a séance
- - Pan
- - Harbinger of company
- - Joke variety, when doubled
- - Ping's cousin
- - Give a rap
- - Eschew the doorbell
- - Word repeated before "Who's there?"
- - End a gin game
- - Badmouth
- - Tap
- - Nick
- - Séance sound
- - Criticize, so to speak
- - Tweak
- - Criticise
- - Criticize
- - Bang
- - Wander aimlessly
- - Deride
- - ...... rap
- - Engine noise
- - See 8 Across
- - .... bump
- - Engine sound
- - See 64-Across
- - Bad-mouth
- - Hit
- - Dis
- - ll cool j's “mama said ...... you out”
- - Strike sharply
- - Do this at the door before entering someone's home
- - it may result in gaining an admission
- - criticise innings at cricket
- - When repeated, classic kind of joke
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