The movement that is derived from the phrase "What up mayne!?". It is a state of mind and is highly contagious. Often repeated by others when spoken loudly, especially when alcohol is involved. Similar to the "WAZZUP" used in the 90s.
Have you heard the good word of Whatupmayneism?
by PotRoast69 February 16, 2011
Can you define these popular missing words?