What are bumps on the side of your tounge that hurt?

Could be many things. You don't don't provide enough information to be specific. So could be almost anything. Painful bumps could be a viral or bacterial infection or a traumatic injury, as occurs when the tongue is bitten. You will need to have your tongue evaluated by a dentist.
Tongue. These could represent a variety of disorders. The symptoms you report are too vague to give an informed opinion.