Huge, in slang

• Using room that's turned out huge
• Really huge
• Massive
• Totally big
• Monster trap tiny animal discovered
• Huuuuuuuuge
• Hugely big, in slang

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.