A spin off from the word "Mo" which is short for Homo comes "Big Mo" which describes a really outrageously gay person.
by HarveyBB June 30, 2009

Yes! We just scored a touchdown and recovered a fumble! We're still down by 14, but we've got the Big Mo now!
by bro2baseball August 04, 2009

An outragously obvious homosexua, male or female.
A code used across the world between friends to point one out without causing offence.
A code used across the world between friends to point one out without causing offence.
Bob: "Check the Big Mo on the dance machine"
Jon: "Slap a wig on dat and call it Mary"
Mat: "I ain't never seen one so bent"
Jon: "Slap a wig on dat and call it Mary"
Mat: "I ain't never seen one so bent"
by AndrewAndrew July 10, 2009

by uhhhhidk.. September 23, 2021

by bigbenj April 02, 2015

A big MO is when a person snitches on others , a big mo is also the person that commits the act of snitching itself or is known for engaging in snitchery.
by Don fizz August 22, 2021

Terminology used for a friend with a big dick and has the initials of M and O. It can also be used to represent the alpha male in your group or the man who has shown is dick/penis to his/her friends.
by JackKnifexxxDeepInTheHolexxx69 October 27, 2019
