Watersmellin is a rotten, stinky watermelon half. He has slime dripping from the top of his head, and a chunk of his flesh is dented in at the bottom. His gooey, thick lipped mouth also appears to be carved out.
- Watersmellin is similar to Moldy Melon, a Trashie from Series 4 of the Trash Pack. He is also similar to Melonie Pips, a Season 1 Shopkin.
- The printed receipt version of his red variant's catalog art lacks the extra slime on top that his yellow variant has, while it is vice versa on the website version. This appears to be due to a layering error, as the slime can be faintly seen behind Watersmellin's model.
| Series 2|
Squished Banana / Krud Kiwi Fruit / Orrible Orange / Sour Strawberry / Watersmellin / Revolting Raspberry / Lousy Lemon / Pukey Passionfruit