A word used by a few college students as a way to secretly discriminate against others without using actual racist remarks.
Oh hey guys, who invited the mainus to the party?
by nhtpunk January 10, 2015
1 more definition
The main asshole in a group, also possibly the main asshole in an orgy.
"Those guys are dicks but that guy is the Mainus!"
by Yoyodyne and Co. July 13, 2008