FURVERT!

2012 abs anthro athletic balls biceps big_penis biped canid canine canis circumcised dalmatian dexdoggy domestic_dog erection eyewear flaccid fur genitals glasses graphite_(artwork)grin hair hand_behind_back humanoid_genitalia humanoid_penis male mammal markings monochrome muscular muscular_anthro nude pecs penis pose presenting sketch smile solo spots spotted_body spotted_fur standing tail towel traditional_media_(artwork)tush_(artist)vein