2 definitions by G-Noles

noun.

A penis whose primary characteristics are defined by it's inability to reflect any perceptible amounts of light towards a human eye due to its extremely diminished stature. Thus being only perceptible by mechanically or computer aided viewing devices such as a microscope.
Micropeens are so small they make me laugh.

I can't see your micropeen.

Apparently a micropeen was on my leg, but I could not feel it.
by G-Noles March 10, 2010
Get the micropeen mug.
Refers the possessor of more than one male appendage. Whereby each peen is fully grown and are all capable of holding an erection simultaneously.
Common Speech: "I was watching a porn last night and the guy was a total multipeen. He had like seven boners at once!"

"Men who are multipeens make good polygamists."
by G-Noles March 10, 2010
Get the multipeen mug.