Why in Sonic heroes Sonic said this is so heavy?

In "Sonic Heroes," Sonic exclaims "This is so heavy" during a scene where he is trying to carry or deal with a heavy object or obstacle. This moment adds a bit of humor to the gameplay, showcasing Sonic's character as someone who is usually fast and agile but is momentarily challenged by a weighty situation. It's a lighthearted touch that emphasizes the contrast between his typical speed and the unexpected burden he faces.