rule 34 11 ambiguous gender anal anal object insertion anal sex anal tube anthro arms tied avian bathroom beak biped bird bodily fluids bondage bondage bound brick club penguin detailed background digital media artwork drinking drinking urine fan character flippers gag gagged genital fluids hands behind head humiliation ibgross internal lidded eyes lying monochrome nude on front peeing penetration penguin punishment sepia solo submissive toilet toilet slave tube gag tube in ass urine urine in ass urine in mouth urine inflation urine on ground urine stream watersports 5405608