It's just plain mean, making Evie in Cancun lay awake so long for her good news.
Erin's co-workers at the law firm are frumpy, badly dressed and just plain mean.
Although the scientist later admits that the real reason he's been doing it is not the money, but because he's just plain mean.
When he's clean and sober he's just plain mean.
Modern romantic heroines often seem just plain mean.
There are a few who are just plain mean.
"Now that was plain mean of you, Bart Tom/," she said.
That he was angry, hurting, just plain mean.
He was even pretending to be interested in her; after all she'd been through, that was just plain mean.
The creature we're looking at is more like Mack the Knife: just plain mean.