Really huge

• Huuuuuuuuge
• Monster trap tiny animal discovered
• Using room that's turned out huge
• Huge, in slang
• Massive
• Hyperbolically large

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

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.

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 .