The girls watched as David finished half his stout drink in four huge gulps. They both massaged David's muscular thighs as he relaxed for a while when... the strong drink hit home. He then unzipped his pants and pulled out his quite impressive nine inch cock.Both girls went "Oooh! SO big!" at once. Ngam-Chit grabbed the thick shaft with both hands and started licking it with slow tongue strokes.David watched her beautiful mouth going to work on his big cock. Then he turned to Saengdao to kiss her. Mister Carpenter ... sir..."I interrupted – gently, I hope. "Jen. I think it might help if you just call me Jeff. If what you want to say is difficult, as I suspect, perhaps you'd like a drink?"She took a deep breath. "Yes. Thank you, Jeff. A small Scotch. Little water."I poured perhaps a little more than a small measure of Glenfiddich into a tumbler and added chilled water. Jen took it, looked at it, then at me, then sipped without comment. When about half had gone, she began."When I was .... When you come in after some drinks, everyone wants some picky bits and I thought this would fit the bill nicely. After about 20 minutes the intercom buzzer went and I sprayed on some aftershave, grabbed a chewing gum and pressed the door release.When I opened the door I could hear some giggling on the stairwell of two female voices. One was my girlfriend but the other was a voice I didn’t recognise. This could be interesting I thought.Around the corner turned my girlfriend followed by this very. My heart was pounding. "These where my favorite pair of panties." Then she started laughing hysterically. I started to laugh as well. But my laugh was a nervous one. "Dad I don't care it's not a big deal." Like you said, we can talk or joke about anything, but you do owe me a new thong." She got up gave me a kiss on the cheek and handed me the soiled thong. "I'm a size 2 for when you buy me the new one. Then she went off to bed. I was so relieved. She didn't care I used her panties to jerk.