Just a Word

"You've wanked thinking about my tits?"

Tommy started to rock his hips, "Oh yes, I'm only human, mum."

"'Only humans' don't get to push their lovely cocks - fuck that's good - don't get to push their lovely cocks into my pussy - especially if they're my son!"

"I guess this cock thing changes everything?"

"I guess it does... this cock thing."

"Mum, is it okay if my cock spurts in you every time my cock fucks you?"

"Yes please."

My Tommy thrust harder, "And it's okay to say this is my cock fucking you?"

"Just don't forget to use the cock word... that is so good... and yeah, this is fucking. I paused and looked up at him, trying to be serious when he mouthed the word 'cock' and I twitched, "And baby, just remember it's our secret, okay?"

He nodded, "Just so long as I can sleep with you sometimes."

"Sleep with me? That's a bit different, baby."

"Easier access for my cock though, mum."

I grimaced but nodded, "True, baby, true." I sighed as the pace increased a little, "I have a feeling we're going to have a lot to learn. Now, baby, show mummy what that cock can really do..."