I’ve heard of two grammar errors frequently attributed to grocers. One is putting unnecessary quotes around words in signs. The other is incorrect apostrophes to make plurals.
I don’t think the skunk is a grocer, but that’s the error. Maybe the cartoonist wanted to make the skunk seem lower class, no offense to grocers. Next-to-last panel:
The rule: You don’t need an apostrophe for plurals!
This post first appeared on The Writing Rag.