I dont know if it is some kind of std or i dont know my anatomy. i have a small hole on my clitoris, its itchy but no redness or blood or anything?

Here are some ...: Most likely, what described is your personal unique anatomical variation; to prove it, just watch & see for next 6 months. If unchanged, it's what I suggest. Meanwhile, don't fiddle it around, i.e., leave it alone with regular gentle cleansing & drying without overzealous compulsive rubbing for cleansing or intense sex stimulation. If still in doubt, seek pro-evaluation & counseling timely. Best..