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
1 more definition
Bigger than giant but smaller than enormous
your mother, or she has ginourmous breasts
by Jerimie Bedard December 14, 2004