English Slang Collection：

　　flip the bird

　　[释] the gesture of raising the middle finger;

　　[例] That guy almost hit my car so I flipped him the bird.;

　　float one's boat

　　[释] to make someone happy;

　　[例] Mike's birthday is coming soon, and we should get something nice to float his boat.

　　flodge

　　[释] to go back on one's word or to breach a promise;

　　[例] Jerry said he'd be our ride to the club, but now he is flodging and won't answer his phone.;

　　floor it

　　[释] to hit the acceleration pedal;

　　[例] Hey, bro! Floor it, or we're gonna be late.

　　flop

　　[释] something that fails miserably;

　　[例] The Final Fantasy movie was the biggest flop since Battlefield Earth.;

　　flop

　　[释] when someone bails on you at the last minute;

　　[例] We were supposed to have dinner together tonight, but Jane flopped on me.

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