Simply weight it on a scale.
Apart from the initial weight of the watermelon in your digestive system, most of the weight in the watermelon is made from water, which will be flushed out of the system. You would have to eat very large quantities of watermelon to noticably gain weight.
in a watermelon...
300,000,000,000,000,000,000,000,000,000,000.00 pounds if you eat a watermelon
A watermelon contains about 6% sugar and 92% water by weight.
yes
yes
never
if your talking about the watermelon pin then you missed it
The weight of the watermelon on Neopets is varied day to day. Try searching 'Neopets Watermelon' or 'Neopet finders, cheats, and guides' on a searched engine.
no
To try out new liquor flavors and to make a watermelon martini recipe go to allrecipes.com/recipe/watermelon-martini/. This is a really helpful website that allows you to find recipes for a watermelon martini.
The ones sold in the UK are normally 4-5 kg.