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
by Manny Lai June 10, 2006
by BigDaddytech April 06, 2017
It's when you're pushing your girl's head in the right direction, but she's stubbornly comming back to kiss you.
Come on, I just wanna one small blow job! I had enough of this yo-yo effect stuff, gonna open a beer and watch a game.
by Ox of the Night's Watch August 18, 2011