Top Definition
a grotesquely obese female that makes for a good hit and run because of her zealous eagerness to please
I'm sore from digging out that tons o' fun last night.
by Herb N. Dictionary October 25, 2002
A large or morbidly obese woman.
Hey dude check her out, she'd be tons-o-fun in bed !!
by shomesomethin July 13, 2010
A quantitative measurement of fun dealing with an amount of fun that is over 2000 pounds or more. Usually used sarcastically.
I told Megan that talking to Doug and Josh sounded like tons-o-fun.
by Matt March 09, 2005
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