Top Definition
expansive, vast, large beyond belief.
Holy shit!! THAT is Steve's girlfriend?? She's so fuckin ginourmous even the dudes at IHOP would be like 'daaayyyyymmmm!'
by Chester October 01, 2003
Bigger than giant but smaller than enormous
your mother, or she has ginourmous breasts
by Jerimie Bedard December 14, 2004

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