Mom never tried to replace her finger with her tongue--I would have freaked out--and her tongue proved to be more than enough to get my pulse racing. My balls tightened within minutes, and that swirling itch of pleasure continued to dance atop the tip of my prick. I wanted to grab my knob and squeeze. Mom jerked me faster as my cock swelled, and her other hand rose to massage my balls in a caress that made me whimper.

"Fuck, I'm gonna come," I moaned, my voice trembling and the darkness behind my eyelids exploding with color. I dug my fingertips into the backs of my knees. "Mom, fuck. I'm...