"flinch back" is a correct and usable phrase in written English.
It means to quickly and instinctively pull back or recoil in fear, surprise, or pain. Example: The loud explosion made the soldiers flinch back in fear, their hearts pounding in their chests.
On the more lighthearted talk show "Ellen," a commercial for Crest Whitestrips is immediately followed by Mr. Kerry, his teeth bleach-white and gleaming, promising not to "waver, flinch or back down" in the war on terrorism.
Zenteno doesn't flinch, staring back at the guy until he drives off.
Cook flinches back from one short outside the off stump, but then gets a copy of the Carberry ball for one.
Don't flinch, don't back down," Dan Pfeiffer, a former senior adviser to Obama, tweeted Tuesday night.
They did not flinch from taking back for themselves all legislative and budgetary authority just at the moment they had promised a handover.
Dr. Heinrich Rothmund, the Swiss chief of police, decreed that Switzerland accept army deserters as well as war and political prisoners but that there could be no sanctuary for Jewish children: "One may not flinch from turning them back.
Today, with greater protection, there seems to be more of a propensity for batsmen to flinch and turn their backs on anything nasty.
But the pitches came so fast that many of them flinched and jumped back.
Ms. Blank, 33, of Woodbury, didn't even flinch, calmly placing the cup back in front of him.
He likes the voice whose incomprehensible words cannot make him flinch: "They will not go back into the past in order to resurrect it brutally and hurl it at his feet like a bloody corpse".
If your horse reacts by flinching, pulling back, or throwing up his head, it's demonstrating discomfort.
