The act of rolling a blunt while being naked but then dropping and accordingly, stepping on it, resulting in a weed coated foot which will then be inserted in another males butthole.
On the weekend I actually wanted to smoke weed but ended up doing the dirty Mico.
When a man and a woman engage in anal sex (or ass play), then the man takes his penis (or fingers) and gently rubs it (them) across her upperlip, chin, and cheeks, using the fecal matter/ remnants to create a fecal beard. Similar to the Dirty Sanchez except more dirty and advanced.
Instead of giving her a Dirty Sanchez, he decided to go all out and do the DirtyMicah.
When you have a retarded co-worker that continuously shouts OH YEAH so much that it gets stuck in your head. Then when having sex with ur partner as you cum you shout OH YEAH with the same retarded face. While the retarded co-worker is breathing heavy out side the windowlike a rapist at wiggles concert.
Pajama casual is a term used when working from home and preparing for a video conference. All business above the waist and your pajama pants down below.