4:3
abdominal_bulge
anthro
bush_viper
digital_media_(artwork)
erection
genitals
hi_res
humanoid_genitalia
humanoid_penis
lying
male
male_pred
nude
old_world_viper
on_back
penis
relaxing
reptile
rumbling_stomach
scalie
smile
smiling_at_viewer
smirk
smirking_at_viewer
snake
solo
tischotter
viper
vore
