rule 34 169 4k absurd res alphys anthro belly blush bodily fluids buckteeth chubby female cursive darkened genitalia darkened pussy dialogue dialogue box elsartdump english text erection eyewear featureless chest female female focus female penetrated genital fluids genitals gesture glasses hi res human human on anthro interspecies lizard looking at viewer looking pleasured male male penetrating male penetrating female mammal navel nude open mouth penetration penis pink eyes pussy pussy juice reptile scales scalie shaking signature simple background slightly chubby solo focus straight stuttering tan body tan skin teeth text trembling undertale vaginal penetration video games waving widescreen yellow body yellow scales 4233789