What is Yo Yo Effect?
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yo yo effect (n) - the action of a girl or boy from a past realationship toying with your emotions. Sending signals that they want you back and suddenly being very cold to you off and on. Sort of keeping you as a back up if their current realationship or intrest fails
My ex girlfriend is pulling a yo yo effect on me.
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Can't Understand Normal Thinking
Used to call someone a CUNT (acronym) when you can't. She just can't understand normal ..