abs anthro balls big_penis blue_eyes blush bodily_fluids claws erection fire flaming_tail foreskin forest forest_background genitals holding_penis humanoid_genitalia humanoid_penis kneeling looking_at_viewer male masturbation muscular muscular_anthro muscular_male muscular_thighs nature nature_background nipples nude on_ground open_mouth orange_body outdoor_nudity outdoors pecs penis plant retracted_foreskin scalie_tail sharp_teeth sitting solo spread_wings sweat teeth toe_claws tongue tongue_out tree vein veiny_muscles veiny_penis wings wristband knox_synth charizard dragon generation_1_pokemon mammal pokemon_(species) scalie hi_res watermark