Defining your hand: is it ever a good idea?

[Yoshi63]

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It seems to me that when people talk about defining their hand they really mean defining their opponent's hand.

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I think it's a combination. You are making it kind of obvious what you have to your opponent, so that you can figure out what they have and act accordingly.

To betgo's original question, I do think it can sometimes be a good idea. It would clearly need to be against an unsophisticated opponent who won't think any deeper than "looks like he's got an overpair!" I don't personally do this, but before you say it's always a terrible idea, remember that not all opponents are as smart as you and capable of exploiting anything.