"Let me in your head, watch you learn some," she sings at the chorus. "Tryin' to see you sweat, watch you burn some."
The song also welcomes a guest verse from red-hot rapper 2 Chainz.
While "Sweat" finds Ciara getting dirty and gritty, refusing to take a cold shower, Chainz kicks it with surprising politeness.
"After sex, they ask me how I'm doing," he raps. "I tell them, 'Very blessed.'"
As for whether Ciara will be blessed with a scorcher of a summer single, time will tell.
One Woman Army is set to feature bass-heavy production from Tricky Stewart and The Underdogs' Harvey Mason, Jr., and Damon Thomas.