FURVERT!

5:3 absurd_res animal_genitalia anthro anus athletic athletic_male backsack balls box butt cardboard cardboard_box cheesy_yote container gable_(gabletheboxin)genitals hi_res knot knotted_penis machine male pawpads paws pecs penis presenting presenting_hindquarters protogen ridged_knotted_penis ridged_penis sheath solo speech_bubble