A common turn of phrase on the internet, generally used as an expression of quiet, subdued admiration for one's wit. Especially appropriate after a particularly deft pun.
Person 1: You hear about that guy who stole all the plumbingfixtures from that house? He even took all the toilets. The police have nothing to go on.
A phrase of obvious sarcasm, used in message boards and the like, to point out that a previous post was not funny even though the creator of the unfunny post thought it was.
Usually a sarcastic response to somebody who obviously thinks that they have been more clever than they actually have. Seen mostly in online forums; often abbreviated ISWYDT.
Person1: Microsoft makes a decent word processor.
Person2: Micro$oft Word sux!!
Person3: I see what you did there.
By Kial
I See What You Did There
Sometimes used as a sarcastic response to a dumbtrick. Or a trick meant for noobs.