Definitions

1. adjective

characteristic of or similar to the Yahoo company or its culture, which is associated with enthusiasm and sometimes excessive or uncontrolled excitement.

“The team’s yahooish celebration after winning the championship was chaotic but joyful.”

2. noun

an instance or quality of yahooish behavior, enthusiasm, or excitement.

“The concert’s energy was a perfect example of yahooish, getting the whole crowd moving and singing along.”