A multipurpose expression which can be used to project extreme joy, happiness, excitement, love, hatred, sadness among many others.
1. "I've got a brand new combine harvester! MUHAY!"
2. "Oh no! I failed my media studies exam! Now TVU will never accept me! *sad muhay*!"
3. "Did you know that Tess of the D'Urbervilles went to work on a farm? Moo to the hay!"