FURVERT!

against_surface against_wall alien alien_(franchise)all_fours anal anal_penetration anthro backsack balls belt black_body bodily_fluids bottomwear bottomwear_down chest_grab clenched_teeth clothed clothing doggystyle dripping drooling drooling_on_partner drugs duo eyes_closed foreskin from_behind_position frottage genital_fluids genitals green_eyes hi_res humanoid_genitalia humanoid_penis larger_male larger_on_top lizard male male/male male_penetrated male_penetrating male_penetrating_male marijuana masturbation multiple_positions murskahammas nude on_top open_belt open_mouth pants pants_down partially_clothed penetration penile penile_masturbation penis penis_grab penises_touching precum precum_drip raised_tail reptile saliva scalie sex side_view size_difference smaller_male smaller_penetrated smoke smoking standing standing_sex surprised tail teeth three-quarter_view tongue tongue_out topless xenomorph