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What does 'gotcha' mean? When would you use it?

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5 Answers

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Gotcha actually has several meanings. All of them can be derived from the phrase of which this is a phonetic spelling, namely "[I have] got you".

  • Literally, from the sense of got = "caught, obtained", it means "I've caught you". As in, you were falling, and I caught you, or you were running, and I grabbed you.

  • It's a short step from the benign type of caught to the red-handed type of caught. Thus, gotcha is often used when you witness someone doing something naughty.

  • Again, it's a short step from I-caught-you-doing-something-you-oughtn't to Surprise! I tricked you! This sense of gotcha is used when someone falls for a practical joke, for example.

  • A somewhat-natural progression from the "I tricked you" meaning is gotcha used as a noun: this is a feature of a system (e.g. a programming language) which trips you up or catches you off-guard.

  • And finally, from the figurative sense of got = "understood", gotcha can be used to mean "Aha, I see now" or "I understand".

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+1 Well, that's certainly the most comprehensive answer. – Orbling Dec 10 '10 at 22:48
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+1 For including the noun sense, which is the first thing I think of. – Jon Purdy Dec 10 '10 at 23:04
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+1 and a link to all this stuff, including that, erm, weird arcade game. – RegDwighт♦ Dec 10 '10 at 23:41
up vote 9 down vote

Following from Jasper Loy's statement.

It is short for "Got you!", itself having the subject implied "I have got you.".

It regularly means, at least in the UK, "I understand [what you mean]".

A: You turn left, then right, go straight on and it is on your left.

B: Gotcha!

and

A: They'll never know who did it... <manic laughter>

B: Gotcha! You little tyke!

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It regularly means, at least in the UK, "I understand [what you mean]". - True in the US as well – Adam Dec 10 '10 at 22:46
@Adam Thanks for that, I thought it did in the US, but was unsure. – Orbling Dec 10 '10 at 22:47
up vote 6 down vote

It is short for got you.

We use it when we have caught somebody doing something or when we have tricked somebody. In fact, there was a comedy show called Gotcha!

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up vote 3 down vote

Gotcha

  1. 'Got you' like caught you doing something you should be doing.
  2. In programming a variable of step not considered that causes an error.
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+1 That was a meaning I forgot to mention, your second point. A "gotcha" can be a pitfall, trap or potential issue in an environment or situation (or a programming language). A common phrase is "are there any gotchas?", asking if their are any potential issues that will catch you out if unaware of their presence. – Orbling Dec 14 '10 at 0:25
up vote 1 down vote

It can also mean literally "I have got you." If I catch someone before they fall, I could say "Gotcha!"

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