The Big ImageBoard (TBIB) - abs anthro balls biceps big muscles big penis biped blue eyes countershade torso countershading darkai dragon duo erection extreme size difference genitals halo hand behind head hi res horn huge muscles huge penis humanoid genitalia humanoid penis larger anthro larger anthro smaller anthro larger male larger male smaller male looking at another looking down looking down at another macro male muscular muscular anthro muscular male nipples pecs penis purple body size difference smaller anthro smaller male universal macro vein veiny muscles veiny penis