The word "clocked" can be used to mean "noticed", as in:

Bob: I'm gonna park here a minute. Did you see any traffic wardens about.

Geoff: Actually, I clocked one down the road on my way up.

I'm not sure how widespread this term is, but it's very common here (The Midlands, UK).

I've always thought it a bit of a curious term. Can anyone suggest as to how this usage came about. It is something to do with "time" (i.e. "clocking" someone on a stopwatch)?


The OED’s definition of the verb in this sense is ‘To watch or observe; to look at, notice. slang (orig. U.S.)’ and the earliest citation, from an American source, is dated 1942. At roughly the same time the verb is also first found as meaning ‘to punch in the face’. ‘Clock’ is first recorded as a noun meaning ‘the human face’ in 1923. 36 years later it is found as a noun meaning ‘a punch’.

We speak readily enough of the face of a clock, so I suppose the extension of ‘clock’ to mean a human face is not so very surprising.

  • I thought it was probably just a British expression. Surprising to hear the first citation was American. – Urbycoz Aug 28 '12 at 7:58
  • 1
    Maybe it started as American English, but I was a bit confused by the expression. I don't think it's commonly used here in the US. – J.R. Aug 28 '12 at 8:03
  • @Urbycoz: It is. However, the earliest citation for the noun is, rather oddly, from a French work called Le slang: lexique de l'anglais familier et vulgaire. 'Dial' can also refer to the human face. – Barrie England Aug 28 '12 at 8:04
  • The constellation clock/punch/face should also be associated with the phrase "punch the timeclock*, but I have no idea what's the egg and what the chicken here. – StoneyB on hiatus Aug 28 '12 at 11:56

Oddly enough, it originates from the USA (according to OED)

For origins, I have heard to two explanations. One is pretty much what Barrie said - clock is figuratively a face, so to 'clock' someone is to notice their face.

The second is based on the origins of 'clock', (OED ~ "Middle English clok(ke , clocke , was either < Middle Dutch clocke (modern Dutch klok ‘bell, clock’), or < Old Northern French cloke , cloque = Central French cloche ‘bell’"), and an alternative use for bell/clock that was to have it tied around the necks of cattle to make them easier to locate, or 'clock'.

Fitting either of those explanations into something that apparently originated in the USA in the 1940s is problematic...


I've always thought of "clocking" something as becoming aware of the thing, similar to "having it on one's radar". It seemed to me to be related to clock positions:


So to "clock" something would be to get the thing on your metaphorical clock, i.e. to know where it was in relation to yourself. It's easy to imagine military/prison slang adopting terminology based on this concept.


Of the many clock definitions in A Dictionary of Slang and Unconventional English (2002) by Eric Partridge are:

clock, n. ... 2. A face: from ca. 1870, ex US. Cg. dial.

clock, v.t. To time by a stop-watch: from ca. 1880: sporting s. > ca. 1910, coll; now verging on S.E. - ... 3. To watch (someone) patiently; c.: since ca. 1930 (Norman.) Perhaps ex sense 1. - 4. To catch sight of, to notice: c., mostly prisons': since ca. 1935. Frank Norman, in Encounter, 1959. 5. To "clock" someone is to follow someone and see what he backs. This is sometimes expressed as "Get on his daily" [i.e. tail; rhyming s. on Daily Mail] (Sunday Telegraph, 7 May 1967, anon. article on bookies' s.): racing: since ca. 1930. Cf. sense 3, and clock and house.

Similarly, The Concise New Partridge Dictionary of Slang (2007) includes:

clock noun ... 6 the face UK, 1918...

clock verb 1 to catch sight of or notice someone or something; to watch someone or something US, 1929. 2 to watch someone patiently; especially to follow someone with the purpose of discovering the details of a bet UK, 1958. ... 8 to punch, to strike with the fist. Perhaps, originally, 'to hit in the clock (the face) UK, 1932...


'Klok' in Scandinavian languages has various meanings to do with 'wisdom' and 'knowledge' (http://www.meaningspage.com/norwegian-meaning/translate-to-english/wise#define)

Scandinavian immigrants to the U.S. could easily have slipped the word into colloquial conversation from their native language, a bit like the way the Welsh slang word 'but' (meaning mate/friend) became the widespread 'buddy' through usage by Welsh immigrants, or 'thaler' from Russian became the word 'dollar'.

Often people can be more than a little English-centric when trying to analyse American English, really it's more of a melting pot.

  • "'Klok' in Scandinavian languages has various meanings to do with 'wisdom' and 'knowledge'" Cognate with 'klug' (clever, wise) in German, possibly? – Mike Synnott Jan 26 at 16:03

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