I am a 40 year old mother with a 16 year old son. He has always had a lot of friends and been very social, so he always has a lot of friends over. I have never thought of myself as a MILF, but one day when he wasn't in the room with them I overheard some of his friends discussing how hot I was and debating how big my tits are (36DD by the way). Hearing them discuss me in horny teenager terms got me aroused and feeling devilish so I went to my room, took off my blouse and bra and slipped on the sheerest t-shirt I had that kind of showed my nipples. When they passed back by me I thought they would fall over each other when they saw that they could barely see my nipples. I loved it! The next day I stopped at Walmart and found some white super thin wifebeater style shirts and bought a size too small to make sure they stretched over my tits. I spotted some cotton booty shorts and grabbed a couple of pairs of them that were a size too small too. When I got home my son and his friends were already in the livingroom hanging out to I went to my room, stripped naked and squeezed into a pair of pink booty shorts and a wife beater. When his friends saw me they were overcome with the need to stare. My son pretended not to notice but I saw him looking too. It wasn't until I looked in a mirror that I realized my silver dollar size nipples were plainly visible. The shirt had done it's job. Since then all I wear around them is the most revealing thing I can find. I have posed for them to take pictures with their cell phones that I am sure they rush right home and jack off too. A few have them have been bold enough to grab my ass. One even asked if I would take my top off, I said no, but did pull it up and give him a look for a few seconds. I don't know how far I am going to let this go, but I am having a blast putting on a show for them.