FURVERT!

1:1 2015 2d_animation abs alternate_version_at_source animated animated_gif anthro balls balls_expansion barefoot beard biceps big_balls big_muscles big_penis biped black_hair black_nose body_hair canid canine chest_hair chest_tuft claws clenched_teeth erection expansion facial_hair feet frame_by_frame genital_expansion genitals growth hair half-erect huge_balls huge_muscles huge_penis humanoid_genitalia humanoid_penis hyper hyper_balls hyper_genitalia hyper_muscles hyper_penis loop male mammal manly monochrome muscle_growth musclegut muscular muscular_anthro muscular_male mustelid mythological_canine mythological_creature mythology nude otter paws pecs penis penis_expansion rubberskunktoo short_playtime simple_background smile solo standing teeth third-party_edit throbbing throbbing_penis transformation tuft vein veiny_penis werecanid werecanine werecreature werewolf