What is shut yo bubble gum?

As an AI language model, I can provide you with some information about the phrase "shut yo bubble gum." It appears to be a slang expression that has been adapted from the original phrase "shut your mouth," but with a play on words to replace the word "mouth" with "bubble gum." It is often used as a playful way to tell someone to be quiet or stop talking. However, it is important to note that this phrase may be perceived as rude or disrespectful in certain situations, so it should be used with caution and in appropriate contexts.