FURVERT!

2020 anthro balls balls_expansion big_balls big_muscles big_pecs big_penis black_nipples bobert canid canine clothed clothing erection expansion fist flexing genital_expansion genitals green_background grey_balls grey_penis growth helium_tank holding_object huge_balls huge_muscles huge_pecs huge_penis hyper hyper_balls hyper_genitalia hyper_muscles hyper_pecs hyper_penis inflation looking_at_viewer male mammal muscle_growth muscular muscular_anthro muscular_male nipples pec_expansion pecs penis penis_expansion plantigrade simple_background small_head solo standing thick_penis torn_clothing underwear underwear_only