FURVERT!

2d_animation absurd_res all_fours animated animated_gif anthro anthro_on_anthro anus ass_up balls bdsm bouncing_balls bouncing_butt bouncing_penis butt butt_slap canid canine canis digital_media_(artwork)dominant duo erection fox genitals hi_res humanoid_genitalia humanoid_penis knest larger_dom loop male male/male mammal muscular muscular_male penis raised_tail short_playtime size_difference sketch slap slightly_chubby slightly_chubby_male spanking spanking_focus tail tail_grab unfinished wolf