quarrelsome, argumentative, cantankerous;
unruly, mean, bad ...c1832 US colloq.
adv. fiercely, furiously ...1859 Amer. dial.
alteration of 'cantankerous'
"...But the man as 'tempts ter swim one o' them runs when they's up,
ar uther a rantankerous fool or a - Yankee, an' some reckon
one 'bout the same as t'other."
From: Down in Tennessee:
and Back by Way of Richmond
By Edmund Kirke, 1864