from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Informal Crazy: "When word spread that free gas was to be found, the populace, as expected, went bonkers” ( Washington Post).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. irrational, crazy
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. informal or slang terms for mentally irregular
Origin unknown.(American Heritage® Dictionary of the English Language, Fourth Edition)