a term of abuse, reproach, or contempt; apparently, a miser ...1599 obs.
from Latin cum prep. with + twang from 'huddle and twang' a term of contempt for a person (1579 obs.)
FIRST DOCUMENTED USE
1599 - see Example below
"...those graybeard huddle-duddles and crusty cum-twangs, were stroke with such stinging remorse..."
From: Lenten Stuffe
By: Thomas Nashe, 1599
• A New English Dictionary on Historical Principles,
James Murray, 1887-1933
• A Supplementary English Glossary, O. Davies, T. Lewis, 1881