I ACCIDENTALLY GOT MY MAC'S MOUSE PAD WET AND IT WONT STOP GLITCHING DID I BREAK IT

Let ti dry and see if it works. Best to dry is to place in a sealed container with a desiccant for about a week. Uncooked rice works. Change the rice every two days or so.

If still problem

Make an appointment at the Genius Bar of an Apple store to discuss your options

Apple Retail Store - Genius Bar