A person that is overweight or higher than normal percetange of fat in the body. It varies with the weight of the person.
Jeremy is kinda chubby... he's tons of fun!

John can't even fit in the elevator man, he's like 4 tons of fun.
by Cako August 12, 2005
an all round fat git but is still considered canny enough to hang around with
"go get tons'o'fun hes got a 20 bag!"
by Tons0fun August 6, 2005
claton regan from newburg wi is tons of fun because he eats 665.09897 lbs of 67 year old fetal turkey vaginas each year
clayton weighs a ton and is really funny
Mike Klymasz's pet name from his boyfriend
Gimme a little loving tons of fun.
From your loving boyfriend, Frank Gandolf
by Waldo June 21, 2003
A person who is a lot of fun.
Signore is tons of fun. That guy is 2000 pounds of fun.
by Joesig September 17, 2020
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 woman who knows how to please a man.
Peter: I can't believe you slept with Jenn. She's pushing 500 pounds dude!!

Matt: I know man, but that bitch is two tons of fun!
by Shawn Parent April 18, 2008