knot swelling

An animated image or sequence of images showing a knot becoming_erect.
This can be on a canine_penis, a knotted_humanoid_penis, a knotted_equine_penis, a [[knotted_feline_penis, a knotted_feline_penis, or any other type of penis bearing a knot.

See also: flare_swelling and flaring

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16:9 3d_(artwork) 3d_animation a1ph4w01v animal_genitalia animal_penis animated anthro bedroom big_nipples big_penis breasts canid canid_demon canine canine_genitalia canine_penis canis demon digital_media_(artwork) duo fellatio fellatio_pov first_person_view genitals glowing glowing_eyes gynomorph headpat hellhound helluva_boss hi_res intersex knot knot_swelling knotted_penis knotting light long_playtime looking_at_viewer loona_(aeridiccore) loona_(helluva_boss) mammal moonlight mythological_canine mythological_creature mythology night nipples no_sound oral oral_knotting oral_penetration penetration penile penis petting petting_viewer praise receiving_pov sex submissive submissive_pov talking_to_viewer webm widescreen wolf

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absurd_res animal_genitalia animal_penis anthro anus balls big_penis bodily_fluids canid canine canine_genitalia canine_penis canis cervical_contact comic crouching dialogue dragon english_text erection fellowwolf full_moon genital_fluids genitals group half-erect herm hi_res holding_balls holding_partner hybrid internal internal_vaginal intersex intersex/male jax_the_alpha_(fellowwolf) knot knot_swelling landon_(fellowwolf) lying male maleherm mammal moon mythological_canine mythological_creature mythological_scalie mythology nude on_back penis precum precum_in_uterus ryan_the_omega_(fellowwolf) saggy_balls scalie sex spread_legs spreading standing standing_sex text throbbing throbbing_balls trio uterus vein veiny_penis werecanid werecanine werecreature werewolf wolf

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16:9 3d_(artwork) 3d_animation animated anthro anthro_on_feral anthro_penetrated bestiality blender_(artwork) blender_cycles breasts capcom delphox digital_media_(artwork) duo erection extreme_size_difference female female_on_feral female_penetrated feral feral_penetrating feral_penetrating_anthro flying_wyvern forest generation_6_pokemon genitals hi_res impossible_insertion jungle knot knot_swelling knotted_penis looking_pleasured loop low-angle_view macro male male/female male_penetrating male_penetrating_female monster monster_hunter nargacuga nintendo nipples no_sound open_mouth outside_sex penetration penis plant pokemon pokemon_(species) quest_failed ridiculous_fit sex short_playtime size_difference tongue tongue_out tree webm widescreen zaraya zero3delta

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16:9 3d_(artwork) 3d_animation animated anthro anthro_on_feral anthro_penetrated bestiality blender_(artwork) blender_cycles breasts capcom delphox digital_media_(artwork) duo erection extreme_size_difference female female_on_feral female_penetrated feral feral_penetrating feral_penetrating_anthro flying_wyvern forest generation_6_pokemon genitals hi_res impossible_insertion jungle knot knot_swelling knotted_penis looking_pleasured loop low-angle_view macro male male/female male_penetrating male_penetrating_female monster monster_hunter nargacuga nintendo nipples no_sound open_mouth outside_sex penetration penis plant pokemon pokemon_(species) ridiculous_fit sex short_playtime size_difference tongue tongue_out tree webm widescreen zaraya zero3delta

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