FURVERT!

anthro biceps biped bodily_fluids boxers_(clothing)bulge canid canine canis clothed clothing domestic_dog erection facial_hair genital_fluids genitals goatee knot licking licking_lips licking_own_lips looking_at_viewer male mammal mastiff molosser muscular muscular_anthro muscular_male penis penis_poking_out penis_through_leghole precum presenting rottweiler self_lick sitting solo spread_legs spreading straydog tongue tongue_out topless underwear