Definition of "punies"

"Be-dabs, if the whole gin-works hain't got the punies. Even the mare tuck a spell today. She wouldn't eat corn nor shuck."

1980, James Still, The run for the Elbertas, page 35

Other days, when I tried to get up despite feeling weak, she would inform me that I had a case of "the punies" and ought to stay in the tank.

2003, Mark O'Brien with Gillian Kendall, How I became a human being: a disabled man's quest for independence, page 152

“I brung my boy. He's got the punies and I want the doc to take a look at him.”

2008, Carolyn Jourdan, Heart in the Right Place, page 222