Top definition
The coolest of the cool men. And the act of crossing your arms in the air and claiming you are the "Mainkey Man"
Kylie was a cool dude. So during lunch he crossed his arms in the air and loudly proclaimed, "I am the Mainkey Man" so every one knew.
by Posty101 May 27, 2014
Get the mug
Get a mainkey man mug for your sister Sarah.