มองหาคำศัพท์ใดก็ได้ เช่น swag:
 
1.
Effect after one person yawns, similar to the Butterfly Effect.
After I yawned, it seemed as if the entire room was yawning. I had just accidentally started The Yawn Effect.
โดย Yawnnnnnn 22 มิถุนายน 2010