microporn 

pornography featuring male(s) and/or female(s) genitalias significantly smaller in size than the census average.

And the winner of this year's AVN award for Fresh Fetish goes to Microporn Beyond Thunderdome, starring Mel Gibson and Bitty Kitty.

microporn by andino September 23, 2006

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

Microphone Spamming 

Blowing excessively into the microphone just to piss people off.

"OH GOD DAMN THAT MICROPHONE SPAMMING NERD"

"FFFFFFFFFFFFFFFFF"

"MUTE HIM"

"FFFFFF"

Microphone Spamming by BadolzoN August 5, 2008

microphone check 

A form of foreplay, when a woman gives head before or during sex.

"bro she stopped half way through and gave me a microphone check."

"hey babe before we get started I'm gonna need you to check the microphone"

microphone check by Then8ie December 24, 2013

microcontroller 

A word that sounds like a part of computers, but geeks made up to make them stand out from non-geekz.

Can also signify penis.

Are you coming to the party? - No, I‘m programming a microcontroller tonight.

microcontroller by DoDo🐠 November 9, 2020

Kurt Cobain's Microphone 

A shotgun.

*Mike and Sarah are awoken by a noise in the middle of the night*

Sarah (Whispering): I think there's an intruder in the house

Mike (Whispering): Get me Kurt Cobain's Microphone and I'll give this noisy bastard something to sing about.

Kurt Cobain's Microphone by Sieffy March 21, 2017

Microphone check 

Is marijuana smoke or vape pulled through any the users device of choice.

Man she’s trippin’ she needs to go check the fuck out of a damn microphone.

I need to go around back and do a quick mic check (microphone check) my high is fading!

Microphone check by all_good_daze June 15, 2019