The expandable dangler, the penis, in its turgid form.
There are many ways to properly inflate a meat balloon, but a high pressure helium tank is not one of them.
by bobaphat February 15, 2006
Large fatty breasts, normally refering to female anatomy but interchangable with male obesity.
I think her boyfriend's meatballons are bigger than her own.
by meat balloons mcgruff January 13, 2004