Listen to the sound clip Yay. from EthGoesBOOM Soundboard: Yay. Yay. This sound is from EthGoesBOOM Soundboard A YouTube gamer who is known for his humorous vocal impressions. The channel features Five Nights at Freddy's-themed content, including voice acting videos, Let's Plays, reaction videos, skits, and other similar material. Go to the full soundboardwith more sound clips Search