Humongous

Humongous is slang for exceptionally large; huge or enormous.
Found on http://www.probertencyclopaedia.com/browse/ZH.HTM

humongous

[adj] - (used informally) very large
Found on http://www.webdictionary.co.uk/definition.php?query=humongous

humongous

banging adjective (used informally) very large; `a thumping loss`
Found on http://wordnetweb.princeton.edu/perl/webwn?s=humongous
No exact match found