Definitions

1. noun

A type of enthusiastic or overly dramatic expression, often used to describe an intense emotional response, such as excitement or fear.

“The crowd erupted in a loud mohoohoo as the concert began.”

2. verb

To express enthusiasm or excitement in a loud and dramatic manner, often accompanied by gestures or other forms of physical expression.

“The kids were mohoohooing in the backseat as we drove to the amusement park.”