There is another word, "fleer," which sounds like a portmanteau of flinch and sneer but isn't.    From Wordnik.com.  [Hartford Courant blogs] Reference

Sims had a derisive smile, a fleer, and it grew meaner by the second.    From Wordnik.com.  [Underworld] Reference

M. D .... first deep-space assignment as Starfleet junior medical of fleer in.    From Wordnik.com.  [The Better Man]

The reader who studies every line should not fleer at him who studies not at all.    From Wordnik.com.  [Lippincott's Magazine of Popular Literature and Science Volume 17, No. 099, March, 1876] Reference

They fcize a fleer, which ready rigEj'd they find.    From Wordnik.com.  [The Works of the English Poets.: With Prefaces, Biographical and Critical] Reference

Their IpcckJcd tails advance to fleer their tourfc.    From Wordnik.com.  [The Works of the English Poets] Reference

Propitious Neptune fleer 'd their courfe by night, 30.    From Wordnik.com.  [The Works of the English Poets] Reference

July 2, 1 69 1, we left this ilk, fleer - ing our courfe for England.    From Wordnik.com.  [A new collection of voyages, discoveries and travels : containing whatever is worthy of notice, in Europe, Asia, Africa and America] Reference

To flewer or fleer is to smile in that grinning manner which shows all the teeth.    From Wordnik.com.  [It Might Have Been The Story of the Gunpowder Plot] Reference

He is rather inclined to fleer at any pretension to American club life of earlier date.    From Wordnik.com.  [Fifth Avenue] Reference

When it comes to bees, I’m not a fighter, I’m a fleer.    From Wordnik.com.  [Archive 2007-03-01] Reference

To fleer and scorn at our solemnity?.    From Wordnik.com.  [Romeo and Juliet] Reference

That saucy fleer I cannot away with —.    From Wordnik.com.  [Clarissa Harlowe] Reference

The only Enterprise of fleer react was McCoy.    From Wordnik.com.  [The Better Man]

Whenever he fpake (he would flounce and would fleer.    From Wordnik.com.  [The Vocal Magazine: Or, Compleat British Songster] Reference

2001-2002 fleer FORCE michael JORDAN basketball (mint).    From Wordnik.com.  [Force Mint | SciFi, Fantasy & Horror Collectibles] Reference

How the hussies will fleer.    From Wordnik.com.  [The Poems of Jonathan Swift, D.D., Volume 2] Reference

As she stood on the fleer.    From Wordnik.com.  [Willies Lyke-Wake] Reference

Steed stappin’ i’ the fleer.    From Wordnik.com.  [King Henry] Reference

His fleer was wide of the mark.    From Wordnik.com.  ['way Down In Lonesome Cove 1895] Reference

Think it wit to fleer and gibe?.    From Wordnik.com.  [The Poems of Jonathan Swift, D.D., Volume 1] Reference

I can laugh and fleer at you now.    From Wordnik.com.  [Cutlass and Cudgel] Reference

And aye as he steps in the fleer.    From Wordnik.com.  [Laird of Wariston] Reference

They jeer at me, they fleer at me.    From Wordnik.com.  [Dreams and Dust] Reference

She gard the door lye i the fleer.    From Wordnik.com.  [Gil Brenton] Reference

Since last her feet did file the fleer.    From Wordnik.com.  [Auld Matrons] Reference

One of your Council fleer and jeer at him.    From Wordnik.com.  [Queen Mary and Harold] Reference

Neighbours would fleer, and look behind 'em.    From Wordnik.com.  [Wild Flowers Or, Pastoral and Local Poetry] Reference

The statesman that shall jeer and fleer at men.    From Wordnik.com.  [Queen Mary and Harold] Reference

The Romans equip a fleer ib».    From Wordnik.com.  [An universal history, from the earliest accounts to the present time] Reference

The Romans fit out a new fleer, 410.    From Wordnik.com.  [An universal history, from the earliest accounts to the present time] Reference

In humble hope fuccefsfully to fleer.    From Wordnik.com.  [The British Magazine and Review, Or, Universal Miscellany] Reference

A fnow-whitc fleer before thy altar led.    From Wordnik.com.  [The Works of the English Poets] Reference

Betwixt extremes he juftly knew to fleer.    From Wordnik.com.  [A Collection of Poems in Six Volumes] Reference

But with fide winds into fafe harbours fleer.    From Wordnik.com.  [The Works of the English Poets.: With Prefaces, Biographical and Critical] Reference