from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Informal A reprobate; a rascal.
- n. A white Southerner working for or supporting the federal government during Reconstruction.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any white Southerner who supported the federal plan of Reconstruction after the Civil War or who joined with the black freedmen and the carpetbaggers in support of Republican Party policies.
- n. A rascal. Alternative spelling of scallywag.
from the GNU version of the Collaborative International Dictionary of English
- n. A scamp; a scapegrace.
from The Century Dictionary and Cyclopedia
- n. An under-sized, scraggy, or ill-fed animal of little value.
- n. A worthless, good-for-nothing, or contemptible fellow; a scamp; a scapegrace.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. one who is playfully mischievous
- n. a deceitful and unreliable scoundrel
- n. a white Southerner who supported Reconstruction policies after the American Civil War (usually for self-interest)
Origin unknown.(American Heritage® Dictionary of the English Language, Fourth Edition)
Of Irish origin, "scalawag" refers to a "rascal" and is probably from sgalog a labourer. (Wiktionary)