My tongue feels like it's been opened up and someone left a scotch bonnet chilly inside.
Yes you can get apthous ulcers of the tongue, also called a canker sore.
Yes, you absolutely can get a tongue ulcer. There are many causes: traumatic - irritation from a tooth, toothpaste, food, chemical infectious - bacteria, viral, fungal. See your doctor for an evaluation of possible causes and treatments.