What does green spots on tonsils mean? is it from tonsillitis or like std?

Tonsillitis: Spots on the tonsils usually do mean tonsillitis. The spots associated with tonsillitis can be white, tan, yellow, green or even grey or purple. The most common causes of tonsillitis include strep, mono and other common bacteria. Stds can also cause tonsillitis, but these are less common. The only way to definitively determine the cause if the infection is with a culture. You should be seen.

Need eval to know: Although it is likely an infection, there are many possible causes. We can't tell you the source with the available information.