Rule 34 Dev - anthro big_bulge blush bodily_fluids book bottomwear bulge chalkboard clothed clothing detailed_bulge diagram directional_arrow dripping embarrassed equation erection erection_under_clothing eyebrows fur genital_fluids hair holding_object huge_bulge inside male narrowed_eyes number pants precum precum_drip precum_through_clothing precum_through_underwear shirt simple_background slightly_chubby slightly_chubby_anthro slightly_chubby_male solo standing sweat teacher tenting text thought_bubble topwear tuft unbuttoned underwear wardrobe_malfunction wet wet_clothing wet_underwear dustifang equid equine horse mammal 2024 english_text greyscale hi_res monochrome|22253492450