The line comes from Barney's Hide and Seek, an educational platform game starring Barney the purple dinosaur, released for the Sega Genesis in the early 1990s. The game has players find Barney's friends across themed levels, and its cheerful voice clips became easy pickings for remix culture once retro game audio spread through soundboards and video edits. Hearing a preschool icon say boing, a classic cartoon sound effect word, gives the clip its comedy. It survives as nostalgic bait for 90s kids and as a soft, bouncy punchline in modern meme edits.