Definition of "mondo"

[…] I mean, me bein' here has caused us some mondo problems, so I shoulda figured out that not bein' here anymore would cause some more problems — "

1997, K. C. Constantine, Family Values, G. K. Hall & Co., published 1997, page 80

Younger gorgeous woman marries older, rich man, lives her life solely for him while reaping the bennies of mondo moolah only to end up dumped by older rich man for newer, younger model.

2010, Dakota Cassidy, You Dropped a Blonde on Me‎, Berkley Sensation, published 2010

“You're kidding—you can eat again after that mondo burger you had for lunch?”

2012, Lucienne Diver, Crazy in the Blood, Samhain Publishing, Ltd., published 2012, page 79

"This rain is mondo depressing," Sam sighed as she stared out the sliding glass doors that led to the Hewitts' deck.

1992, Cherie Bennett, Sunset Paradise, Berkley, published 1992, page 1

This recipe, from someone who really knows her tiramisu, is mondo rich, utterly divine, and simple.

2001, Margie Lapanja, Food Men Love: All-Time Favorite Recipes from Caesar Salad and Grilled Rib-Eye to Cinnamon Buns and Apple Pie, Conari Press, published 2001, page 196

“Hey, this place is mondo cool. Bowie hangs out there. It's so packed you can hardly get in. And they play industrial out of one set of speakers and the Sex Pistols out of the other. I mean in the same room! Like, at a thousand decibels."

2002, Jeffrey Deaver, Mistress of Justice, Bantam Books, published 2002, page 93