To talk at length about something in a tedious or repetitive way; also used informally to mean exactly correct.
To keep talking about something when people are tired of hearing it; or to be exactly right about something.
3 meanings, ordered from most common to least. Color-coded by CEFR level.
To talk about a subject repeatedly and at length, usually in a way that bores or irritates the listener.
"My uncle bangs on about politics every single time we have dinner."
He's always banging on about how things were better in the old days.
To knock loudly and repeatedly on a door or surface.
"Someone was banging on the window in the middle of the night."
(British, adjectival/adverbial use) Exactly right; precisely on target.
"Your analysis is bang on — that's exactly what's happening."
The timing was bang on.
To hit (bang) continuously on a surface — the idiomatic leap is from physical repetitive striking to verbal repetition.
To keep talking about something when people are tired of hearing it; or to be exactly right about something.
Primarily British English. The sense of 'talking too much' is the most common. The adjectival sense 'bang on' (meaning exactly correct or on target) is also very British and is used as a predicate adjective or adverb, not as a phrasal verb per se.
Natural word combinations native speakers use most often.
The five tense forms you'll use most often.
Listen to native speakers using "bang on" in real YouTube videos — click a clip to watch it on Looplines.
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