FURVERT!

abs anthro blush bovid bovine bulge canid canine cattle clothed clothing detailed_bulge duo erection erection_under_clothing facial_piercing frottage genital_outline genitals greyscale horn jockstrap komboochie male male/male mammal monochrome muscular muscular_male nipple_piercing nipples nose_piercing nose_ring pecs penile penis penis_outline penises_touching piercing ring_piercing sex sketch standing underwear vein wrestling