1 gram slam Share definition Flag One gram of the antibiotic azithromycin that is prescribed to treat chlamydia. I contracted chlamydia from Carol Kurtis, but Dr. Keith prescribed me a 1 gram slam, so now I feel much better. 1 gram slam by PizzaLuvah February 25, 2021 0 0 Get merch Get the 1 gram slam mug. Buy Now — $32.95 See more merch