Lately I've been craving big mouthfuls of cum an awful lot. The other day the craving was soo intense I had to do something a bit strange. I went in to where Uncle Sam was laying, unbuttoned his pants and started sucking his cock. His sleepy smile and throbbing cock told me he wouldn't mind so I sucked him even harder. My lips and tongue pulled a massive load from his cock that was just what I needed. I cleaned him up the best I could so hopefully Uncle Sam doesn't catch on. I'm such a naughty niece