rule 34 anal animal genitalia animal penis anthro balls being watched belly blush big belly big dom small sub big penis biped blue body blue fur blue hair blue penis blue tongue blush bodily fluids body blush border collie canid canine canine genitalia canine penis canis clenched teeth closed eyes collar collie cum cum in ass cum inside cum on balls cum on leg cumflation dipstick ears domestic dominant drooling erection excessive cum excessive genital fluids floppy ears fur genital fluids genitals hair herding hi res holding arms huge cock internal knot looking at another looking back male malemale mammal moon multicolored ears muscular night pastoral penetration penis penis size difference pink collar pup supersonicsoup purple body purple fur red penis saliva sheath sheep size difference smile standing supersonicsoup teeth tongue tongue out vein veiny penis were werecanid werecanine werewolf white body white fur x ray 9006814