I don't know why he would call something like that, especially with a flopper.

我不知道他为什么会那样吹，尤其是这一声哨响起到扭转局势的作用。

youdao

Although does that give Republicans an opportunity to paint another Democratic presidential candidate as a flip-flopper?

NPR: Analysis: Congress And The Cost Of Energy

Nobody wants to be labeled a flip-flopper, not even a member of the FOMC.

FORBES: Through the FOMC's Looking Glass: An Orgy of Transparency

The caricature of Romney as a politically motivated flip-flopper extends far beyond the Republican campaign and right-wing blogosphere.

CNN: STORY HIGHLIGHTS