Actually Codey, it's impossible to get "zits" on your butt as acne just flat out doesnt occur on the lower body. More than likely it's something called folliculitis, a remarkably common condition caused by the bacterium staphylococcus aureus infiltrating damaged hair follicles. a related condition is the boil, or abscess, but this also involves the sebaceous gland and surrounding skin and is a much more serious condition. rarely, something called cellulitis - where subcutaneous fatty tissue is infected - can occur and eventually lead to necroticizing fascitiis (so called "flesh eating bacteria" even tho they dont actually eat the flesh). An antisepeptic wash like chlorhexidine gluconate 2% (Hibiclens) or povidone iodine 10% (betadine) are treatments that have remarkably good success rates for simple folliculitis. Another good treatment is applying hot, moist towels to your butt for abotu 15 minutes to improve circulation.