He probably didn't mean that as a flirt, but Ruby is an opportunist and will absolutely take it as one.

"Charmer," Corrie says with the cheekiest of grins as she reclaims her hand. It was a surprisingly good squeeze. "But you're right, and you've certainly earned it after your fight against," she takes a sip from her Mary Pickford to give herself a second to think, "Maniac Magee last week. The odds were completely against you! How did you do it?"

She gives him a slightly-too-innocent look and hopes he'll resort to punching motions.