Lardass

[Jessica]

a fat person, someone who eats a lot, wide-load

[Sarah]

An extremely fat kid that refuses to go on a diet and stop playing World of Warcraft.
Cries alot when left out of everything.
Hated by everyone because hes a fatass ninja..

[Rihanna]

As in Pulling a Lardass.
Avowing to a web community that you are leaving them all for good, and then returning the very next day apologetic or under a new handle. Attestations of Im Leaving! Im Leaving! usually accompany this behavior.