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3d_(artwork)3d_animation 4:3 5_fingers 5_toes abs animated anthro anthroanim balloon balls balls_expansion belly belly_expansion belly_inflation big_balls big_belly big_muscles big_pecs big_penis brown_body brown_fur digital_media_(artwork)equid equine expansion facial_hair feet fingers floating fur genital_expansion genitals green_background growth hair high_framerate horse huge_balls huge_muscles huge_pecs huge_penis hyper hyper_balls hyper_genitalia hyper_muscles hyper_pecs hyper_penis inflatable inflation male mammal mario_bros muscle_growth musclegut muscular muscular_anthro muscular_male nintendo nipples no_sound pecs penis penis_expansion power-up power-up_effect power_balloon sebastian_horse short_playtime sideburns simple_background solo standing super_mario_world toes video