ETYMOLOGY
seemingly an alteration of malapert (adj.) after cock (a mature male of the domestic chicken)
EXAMPLE
for adj.
“…Which is terbox to your side: for out of dout,
Your cockapert pride: and your couetous harts.
Haue brought: more than three parts of our ils about.
Your rude rebelins disobedient parts:
Much vnto our (and much more to your own) smarts:
Kicking and wincing at euery good order,
Hath distroide good order in euery border…”
From: The Spider and the Flie
By John Heywood, 1556
for n.
“… I could tell he was cross about something. I didn’t think the blisters were enough to account for it; he’d suffered them for days without complaint. We got under the quilt and I pulled the coverlet over our heads. In the dark I could watch him but he couldn’t see me. There was a strong scent of sweet balm from the foot salve. I said, “I heard about Sire … Lackadaisy, or or Lapscallion – the cockapert who insulted you. Are you still hungry at him?…”
From: Wildfire: A Novel
By Sarah Wicklem, 2009
Lexicophilia 