Micro peen 

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!

Micro peen by Earl Clemintine June 12, 2013

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 ;)”

Micro Peen by microoo-pp-lover 8=D March 17, 2019

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.

micro peen by SHOOK1230 May 17, 2020

Micro-Peen 

A very small penis

Cody P. has a micro-Peen

Micro-Peen by PTFE August 4, 2021

Microweiner (microween) 

An individual with an abnormally small penis that needs to be seen with a microscope. This can also be referred to as a Big Daddy David G.

Makayla K's bubble booty found out that her boyfriend, Big Daddy David G had an intense microweiner (microween).

Microweiner (microween) by Sunny45 June 18, 2018

Micropenology 

The study of the elusive micropenis; the natural science concerned with the structure, growth, origin, evolution, distribution, and taxonomy of micro-penises. Someone who studies micropenology is considered a micropenologist.

A: "Did you see that guy's micropenis?"
B: "No, I couldn't- it was just too small!"
A: "Well, if you would have majored in micropenology, you would have been able to"

Micropenology by MicroLovin May 10, 2012

Micropenis

Every man’s worst fear

My worst fear is waking up one day with a 2 inch micropenis

Micropenis by Mr small potato December 17, 2017