A m dot is the conscious placement of DNA'd aura on the DNA of another person's body, to protect, direct and inform, it must be age appropriate and consensual on the part of all parties involved.
M- dot tattoo is a tattoo competitors choose to get if they want, after they have completed an iron man triathlon in Hawaii. if you get it before you complete the 1500 entry race your a poser
a colloquialism often used as a stage pseudonym for short, squatty, half jewish rappers. subject to various changes, e.g. mdizzle, mdottie2hottie, etc.
Person 1: Wow, did you see that gentlemen lay down those phatty fresh rhymes atop that stage over yonder?
Person 2: Yessir I did. I believe he goes by mdot, but I have also heard him referred to as mdottie2hottie.