HMOC 

Holy Mother Of Cunt.

Used frequently in IRC chatrooms and Counter-Stike games and especially by members of #uk.wes and #inthebuff.

Binman - I mind the time I stole Chris0's powah and seat at the LAN.

ChrisO - HMOC

HMOC by ChrisO October 11, 2004

HMOC 

Hive Mind Original Character

People help you make your Original Character, mostly seen in form of polls on the Internet

A: Let's make an HMOC

What should my OC be?

-Animal
-Bird
-Alien
-Human
-Robot

What gender...etc.

HMOC by Bonus Ducks December 23, 2018