Yeah, and he did that serpentile tongue rolling during these replies too.    From Wordnik.com.  [Election Central Morning Roundup] Reference

Strong convulsions ran through his body, making almost serpentile undulations.    From Wordnik.com.  [The Collected Works of Ambrose Bierce — Volume 2: In the Midst of Life: Tales of Soldiers and Civilians] Reference

Clad with innocence, as in a coat of mail, he is proof against every serpentile whisper.    From Wordnik.com.  [Sketches of the Life and Character of Patrick Henry]

"That's right, sir: boa constructors, as the showman said they was called, because they constructed so many pleasing images with their serpentile forms.".    From Wordnik.com.  [Old Gold The Cruise of the "Jason" Brig] Reference

When about to dance, the Alme puts on a lighter and more diaphanous dress, eschews her slippers, and with a slow and measured step advances to the centre of the room -- her lithe figure undulating with a grace peculiarly serpentile.    From Wordnik.com.  [The Collected Works of Ambrose Bierce, Volume 8 Epigrams, On With the Dance, Negligible Tales] Reference