Rule 34 Dev - 2boys ai_generated akumabearai anthro asgore_dreemurr avian barn beak big_balls big_belly big_penis bird boss_monster_(undertale) brown_feathers chubby chubby_male crossover cum cum_on_balls cum_on_ground cum_on_penis cumshot ejaculation erect_penis erection excessive_cum fat foghorn_leghorn furry furry_only galliform genital_fluids genitals horns huge_balls humanoid_genitalia humanoid_hands humanoid_penis hyper hyper_balls hyper_cum hyper_testicles looney_tunes male male_only mammal overweight overweight_male smile stable_diffusion twitter_username undertale warner_brothers white_feathers white_fur yellow_fur|11409957336