rule 34 2019 abs anthro balls barbell biceps bovid bovine cattle clothed clothing clothing aside dialogue ears down exercise exercise equipment footwear genitals goldeyboi horn looking down male male only mammal monochrome muscular muscular anthro muscular male nipples pecs pivoted ears profanity shoes simple background sketch squats topless topless male underwear underwear aside wardrobe malfunction weightlifting weights white background workout 4001047