FURVERT!

1:1 2016 anthro athletic athletic_anthro athletic_male balls bicep_curl big_balls big_bulge boxers_(clothing)briefs bulge clothed clothing dumbbell exercise fur genitals gerpuppy grey_body grey_fur hi_res kangaroo macropod male mammal marsupial nipples red_clothing red_underwear signature solo underwear underwear_only weightlifting weights workout yellow_eyes