flopper

n.

雏水鸭；变节者；为图领取保证金而捏造事故的人；变节者

You're the Flip-Flopper
How to Deploy a Flopper-Stopper
Is Newt Gingrich an Edu-Flip-Flopper?
Lateropulsion - The case of a flip flopper (P5.106)
Mitt Romney Portrayed as Flip Flopper in New DNC Ads (Video)
Acusan a Nicolás de ser "flip-flopper"por mandarle carta a Obama
A Numerical Study on a Flopper Stopper for Leg Positioning of a Jack-Up Barge
A flip-flopper and a dumb guy walk into a bar: Political humor and priming in the 2004 campaign
Device for assembling composite structure incorporating flopper assemblies
When I think Kerry, I think Flip-Flopper? An Experimental Exploration of the Effects of Political Jokes on Issue and Trait Salience