The Big ImageBoard (TBIB) - abs anthro arm support balls biceps big balls big knot big penis black balls black body black scales bodily fluids claws dragon dripping erection genital fluids genitals gradient background holding balls horn huge balls knot leaning on elbow leaning on object male malzel (kojimafire) muscular muscular anthro muscular male open mouth pecs penis pillow precum precum drip precum on knot precum on leg precum on own penis precum on penis precum on self precum string presenting presenting balls presenting penis red knot red penis red stripes scales scalie seductive signature simple background sitting solo sonsasu spiked tail spikes spikes (anatomy) spread legs spreading stripes teeth vein veiny knot veiny penis watermark white claws white horn white spikes