Many carbohydrate-containing foods cause gas and bloating (vs. fats and proteins, which produce very little gas). Starch containing foods such as corn, noodles, pasta, potatoes, and wheat, also produce gas.
SJWs are people for whom activism is an activity, like shopping, or being on a sports team. They bond with one another over having the right opinions. Cheap and easy, with no chance of criticism from others, social activism provides a hobby to talk about at the local bar after a long day of work.
Lockjaw is another name for tetanus. It sounds like you should go see a doctor, preferably an orthodontist or a dentist. Pain in the joint of the jaw accompanied by the inability to open the jaw very far without pain is a frequent sign of a condition called TMJ (temporomandibular joint disorder). This condition is not necessarily serious, but it can become serious if it's not treated.