An extremely abrupt and seemingly permanent metamorphosis in one's character from a personality of positive and charming qualities to negative and intolerable traits. root word FLIP can be interpreted as exposing a previously hidden underside to make it the dominating focal point, or can also be derived from the slang term FLIP, meaning crazy.
I used to think he was way cool, but he went flip-mode and became a total ass overnight for no apparent good reason.
by cbgbROCKIN September 14, 2010
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when you get a boner sitting down and have to stand up and the tent would be obvious. Flip Mode is a move where you move the boner from the down/poking out postion to the up position resting between your belt and your stomach. should be done to do this in one motion so it looks like you are just standing up.
paul- I was staring at katy's legs in class today and mrs. beltson called on me to go to the board
steve- oh shit
paul- its cool I went into flip mode and did the problem
steve- yeah i have to go into flip mode 'bout three times a day. have you ever been caught?
paul- nah, i got that move down like 1st floor to basement
by Tony Oats December 21, 2006
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Adjective.

When you get hit on the head and undergo a major personality change; usually from normal to evil.
Example (a): After David fell from the jungle gym, he went flip mode.

Example (b): Consider Alex from "A Clockwork Orange," at the end of the movie.
by Bombenhagel September 24, 2009
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The point of where you cant take the world anymore and go ballistic and go on a killing rampage.
Man that guy who took a shotgun to the crowd of people is in his flip mode.
by Chocobo December 4, 2003
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when someone is going all crazy like..flippin out
Carl went all flip mode after he did that chick in the butt
by sparkme December 3, 2003
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