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When you start to say something and you stop partially through the thought and you completely forget what you were thinking. The thought is terminated before it is finished.
Kendra: I have a great idea for what we should do tonight!
Jenna: Awesome! What is it?
Kendra: We should get in the car and go downtown to go and.....
Jenna: And what?..
Kendra: I can't remember, it just completely left my mind.
Jenna: Oh, you must have had a thought abortion.
by kingjay4 May 22, 2014
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