Getting ambushed or caught doing something untoward. Based on Chris Hansen , the star of To Catch A Predator who catches pedophiles as they try to find underaged trim.
My wife Chris Hansened me while I was masturbating , she was so mad she threw out my porn.
by Renato P April 5, 2008
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"did u see msnbc dateline's \to catch a predator last night?"

"ya! chris hansen totally owned meatrocket8, when he went to the seccret undercover house, not to get his lolita but to get sent to jail!"
by meatrocket8 August 8, 2009
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The effect on ne'er-do-wells caused by the presence of an apparent authority that is not law enforcement (e.g. Chris Hansen in Dateline: To Catch A Predator). The Effect usually causes the affected individual to spill their guts and make emotional pleas, or say "I'm just being stupid, I guess".
"I saw a man jerking off in his car as I was walking past, and I knocked on the window to warn him there were police hanging around. I guess I must've put the ol' Chris Hansen Effect on him, since as soon as he realized he had been caught, he began telling me about how shit his life is and how this was his first time."
by UnclePaulChipperson July 3, 2017
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When, after learning the person you are chatting with is a predator, you proclaim that you are Chris Hansen, from To Catch A Predator, in an attempt to drive them away.

Other Terms: Pulling A Chris Hansen
<bigD!CK21>: Hey, I'm 21/m/new york. How old are you?
<littlecutie9>: 15/f/new york. You do know I'm not legal right?
<bigD!CK21>: It's okay. I'm totally okay with that.
<littlecutie9>: Hello. I'm Chris Hansen from Dateline. Now, can you tell me what you were planning to do tonight?

~<bigD!CK21> has logged off~

Marissa: Hey, remember that college guy I told you I was chatting with?
Ricky: Yeah. How'd that go?
Marissa: Yesterday he asked me what I was wearing and if I was legal. So I Pulled a Chris Hansen and laughed when he logged off.
by RedRaine November 16, 2009
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When somebody who is not law enforcement, that has no right to detain you and has no authority over you, is able to make you play by their rules just by their presence.
"Woah, I really wouldn't run from your dad if he caught me doing something illegal."
"Yeah, that's the Chris Hansen Effect."
by fadedfoxy June 24, 2017
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