- pimple\ on\ the\ ass\ of\ humanity
- Insult used when nothing else can describe just how much of an ass someone is.And that you're fat. Or that your clothes look awful - well, they're actually a bit better since you got married again.
Dammit, Todd, you're a pimple on the ass of humanity.... And you smell bad on top of that. Not to mention your stupid haircut.
Dictionary of american slang with examples. .