Sweatball

I walked to the front, feeling a sweatball roll down my back, paused, and began.

I tried to give Heather a celebratory hug but she quickly wriggled out of my embrace. 'get away, sweatball,' she said, with an attempt at a laugh.

I'm a sweatball too. A couple general notes on sweating. I believe it is true that /generally/ speaking, men do tend to sweat more than women.

He peeled his work gloves and rubbed his hands compulsively until tiny black sweatballs of grime dropped away like scattered grains of pepper.