FURVERT!

absurd_res anthro anus backsack balls bent_over big_anus big_balls big_butt butt calvin_(sinkingstone)dagapuff dilation_belt dinosaur faux_gaping faux_gaping_anus feet foreskin gaping gaping_anus genitals hi_res huge_anus humanoid_genitalia humanoid_penis hyper hyper_anus hyper_gape long_foreskin male nude penis prehistoric_species reptile saurischian scalie short_tail solo spread_anus spreader_straps spreader_toy spreading tail theropod thick_thighs tyrannosaurid tyrannosauroid tyrannosaurus tyrannosaurus_rex unretracted_foreskin