It has a miss fire.One or more cylinders are not firing. Check spark and compression for each cylinder.Check ignition timing and hoses for a vacuum leak.
You are dehydrated
If the car starts shaking in second gear the motor mounts are probably going bad. Lift the hood of the vehicle and inspect the rubber inserts. If they are cracked and brittle they will need replacement.
It sounds like you have had an allergic reaction.
I am not a doctor, but if someone starts to shake after getting hit on the head, especially the temple, it seems like they should see a doctor. A lot of cranial bones come together at the temple, so it is weaker than other parts of the skull. Uncontrolled shaking or spasms would make me very nervous, and I would definitely see a doctor.
There is an earthquake
When a boy penis starts shaking, it means it got aroused when you lean to it. It excites him that his penis started to moves, getting bigger, longer and harder. When you hold his penis actually, maybe, your boyfriend will release his semen untimely.
If a butterfly is shaking, it could be a sign of discomfort, stress, or illness. It may also be a natural behavior during periods of drying their wings or regulating their body temperature. If the shaking persists, it may be a signal of an underlying issue that requires attention.
Shaking.
Sniffing.
shaking my body
Fable.
It means they start shaking and they cannot stop, or they shake and keep shaking repeatedly.