Short for micro penis, but is used to describe someone or something that is lame, goofy, or just a straight up douche bag.
That person who just drove by me in that Honda civic with the overly loud exhaust system is a total micro peen!
(Adj.)
Short for “Micro Penis”
Used to describe an Asian man’s penis. Generally 3 inches and under.
“Hey man, lemme get a taste of that micro peen ;)”
a very small penis peen could only be seen under a microscope. Most women don't enjoy the so called micro penis.
person 1: hey did you guys hear about jimmy's micro peen.?
person 2: i heard that it is smaller than a lady bug.