dirty hsp Share definition Flag is when a girl shits,pisses, vomits, spits and cums all over a hsp and then their significant other (big O) eats it and then chews it up and spits it into her mouth. me and my girl pulled a dirty hsp, I didn't need take away afterwards dirty hsp by dirty hsp February 11, 2023 0 0 Get merch Get the dirty hsp mug. Buy Now — $32.95 See more merch