When one needs to use a public restroom to take a #2 and finds that he is not alone. Because he is too embarrassed to take a shit while another is present, that individual fakes to use a urinal until the other person leaves the restroom and then switches to a toilet for a #2.
Man 1: I had to take a massive dump today while I was in class.

Man 2: OK?

Man 1: So I walked out of class and went to the restroom. And when I was in there someone else was there as well. So I faked like I was pissing in the urinal until he left and did the 1, 2 switcheroo.
by kennyj48 October 24, 2013
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Mikearoo: Heya Jimmy C. what were ya doin' last night?
Jimmy C.: You know me, Mike the 1-2 Switcheroo
by BabRabbits August 30, 2018
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In driving: The act of activating a turn signal, but turning the opposite direction of said turn signal to throw-off pursuers.
Perry: "Use the old 1-2 switcheroo!"
Heidi: "What the fuck is the 1-2 switcheroo?"
by desPERRYado April 15, 2006
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