rule 34 anal tugging animal genitalia animal penis anthro anus black claws black horn black spikes blue anus blue body blue fur blue hair blue membrane blue wings bottle brown body brown fur carbon carbon draws claws comic dialogue dragon drinking glass drinking potion duo english text equine penis expansion finger claws fur furred dragon genital expansion genital growth genitals green membrane green wings growth growth serum hair hi res horn horn ring male malemale medial ring membrane anatomy membranous wings motion blur motion lines multicolored body multicolored fur multicolored membrane multicolored scales onomatopoeia open mouth penis penis expansion penis growth potion potion bottle purple eyes red redponei red body red scales redponei ringed eyes scales scalie sound effects speech bubble spikes tan body tan fur tan scales teeth text two tone body two tone fur two tone membrane two tone scales two tone wings vein veiny penis vial wings 4454841