- Phrase: "Yeayuuh!"
- Originators: Mordecai and Rigby (protagonists, "Regular Show")
- Origin date: 2011
This one is classic. It was all started by these two animated characters. It is a term of delight, usually accompanied with a high-five. Though this term might not occur to the average person, or even the average Regular Show viewer, it is slowly becoming hip. Slowly.