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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