Huge, in slang

• Monster trap tiny animal discovered
• Really huge
• Huuuuuuuuge
• Massive
• Totally big

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
by 1948, perhaps 1942, apparently originally a World War II military colloquialism, from a merger of gigantic + enormous .

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
adjective EXAMPLES FROM CORPUS ▪ Some of the older ones would get together so that they had ginormous piles of rubbish.

Wiktionary Word definitions in Wiktionary
a. (context informal English) Very large.

Wikipedia Word definitions in Wikipedia