C..
@S.B --> listen.... a man that can pop a back pimple or peel a sunburn from spots unmentionable is a keeper!!!!!!!
I concur that it may be a pimple. You can get a "boil" acne and you're not getting the actual infection when you "pop" it, so it just festers (that may be the white "seed" you see). You can try putting acne medicine there with a q-tip and seeing if that helps dry it up.