I noticed a couple small white almost pimple like bumps under the bottom of the head of my penis. what could this be?

I don't: Know since i can't see them on the internet. If you're concerned, let your doctor take a look.

Most likely, they...: Although the question is like a conundrum, clinically, they're most likely just penile papules - microscopically being benign angifibromas, which tends to appear as pairs beside frenulum or 2-3 rows along the dorsolateral spects of the corona of glans penis, and harmless so needing no Rx. If still in doubt, ask urologist for confirmation. Best wish ...