OP here: Today, I took my idea even further... I was driving by a neighborhood and saw a really cute girl walking down the street (probably about 15-16), I drove my car by and parked up ahead where she was going to walk by. I waited until she got near my car and I got out like I was at the house I was going to. I stopped her and asked her if she knew where some street was. She was really nice and sweet and tried to answer where the fictitious street might be in the neighborhood. The entire time I was staring at her C size tits sitting bra-less in her black tank top. I was almost drooling over them. I looked her in the eye before saying "thank you" and then throwing about 4 days worth of smelly old cum all over her face. It landed mostly on and around her mouth. She had it all over her lips when she shouted out "what the fuck did you just throw on my face?" She was completely in shock and just stood still. What I really wanted to do was pull down her top and expose her bare breast right after I threw the cum on her face. I couldn't bring myself to do it. Instead I just hopped in my car and drove off before she could even get her head around what had just happened. My only regret was not getting a good look at those perky young tits of hers.
Before you say anything about the DNA... It was old cum, it was smelly, and all over her face... I bet the first thing she wanted to do was wash it off her face. She probably wasn't thinking about what it might be and to save this evidence on her face. Second, even if she did think that... and she were to call the police and they came out and determined that it was cum on her face, and then went through the process of extracting the DNA from the cum sample to figure out who's DNA it was... is there some huge database that the police could just type in my DNA code and have my name pop up with a match? I've never been arrested or had my DNA taken by the law for anything, I'm not in a database, even if one did exist...
Anyway, it was great fun to see my cum be spit off her young lips as she tried to talk... just wish I had of grabbed at her tits.