from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To run away; to flee; to escape.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. flee; take to one's heels; cut and run
Probably from Italian scappare ("to run away"), influenced by Cockney rhyming slang Scapa Flow = go. (Wiktionary)