Rule 34 Dev - ! 2014 ? alien ambiguous_fluids animal_genitalia antennae attack backpack blush bound clothing comic confusion cum cum_on_face cum_on_glasses dib dripping erection eyewear genital_slit glasses human interspecies invader_zim irken lier_magician male male_only mammal open_mouth orgasm penis saliva scared sex shaking shirt shocked signature slit smooth_skin speech_bubble sweat tongue tongue_out trembling unconscious weapon yaoi zim|2387073688