Sam continued to suck him.

Emma was about to warn Sam about letting me cum in her mouth but Bill held her head down. I guess he decided if I wasn't going to cum neither was he. I have him a subtle nod as thanks and we both let our wives continue to lick and suck us off until we finally came.

Normally, Sam would have no problem swallowing my big load but this time she surprised me and did something none of us expected.

Sam waited until Emma had gulped down the last of Bill's jizz before she pushed her friend down to the hardwood floor. Emma understood what my wife had in mind and hiked up her skirt around her waist before spreading her thighs apart. Bill and I intently watched Sam lie down on her belly to kiss Emma's pussy lips, regurgitating my cum her friend's cunt.

Of course Bill took advantage of the situation -- he knelt behind my wife's upturn ass to slide his erection inside her in one quick hard stroke.