FURVERT!

3:4 abs anthro bed biceps big_muscles biped bulge clothed clothing detailed_bulge echin facial_hair flexing furniture genital_outline goatee grin hi_res horn lying male mammal muscular muscular_anthro muscular_male on_back on_bed pecs penis_outline pose rhinoceros smile solo speedo swimwear tail tail_tuft teeth third-party_edit thong topless tuft underwear vein