FURVERT!

2_horns against_surface against_wall anthro anus back_muscles backsack balls biceps bottomwear bottomwear_down bovid bovine brown_body brownkuma cattle clothed clothing erection foreskin genitals hi_res horn humanoid_genitalia humanoid_penis male mammal muscular muscular_male partially_clothed partially_retracted_foreskin penis penis_backwards rear_view shorts shorts_down solo standing vein veiny_penis