rule 34 2019 4 toes absurd res anthro balls big balls big muscles big penis canid canine canis chains domestic erection feet fierglief fist flexing frown genitals hi res huge balls huge cock huge muscles humanoid genitalia humanoid penis hyper hyper balls hyper genitalia hyper muscles hyper penis looking at viewer male mammal monochrome muscular muscular anthro muscular male nude penis solo standing toes vein veiny penis 4486960