Rule 34 Dev - 2024 anthro big_bulge blush bodily_fluids book bottomwear bulge chalkboard clothed clothing detailed_bulge diagram directional_arrow dripping dustifang embarrassed english_text equation equid equine erection erection_under_clothing eyebrows fur genital_fluids greyscale hair hi_res holding_object horse huge_bulge inside male male_only mammal monochrome 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|12264758408