memsy 

1) To be having so much fun that you don't care what is going on.
2) To just be really damn cool.

My song came on and I got memsy.

memsy by TheMemsy January 4, 2012

memsane

Memsane is a nother term for head,noggin,noodle, or cranium. Any form of conscious state of mind and conscience is a synonym for the word memsane.

Insane in the memsane. (Insane in the brain)

memsane by Brady aka Byrdman aka B-Rad June 27, 2006