In the throes of self-pleasure, he inserts the toy deeper, feeling his asshole stretch to its limit. He pops the dildo in and out, each time going further, his asshole gaping wide, exposing his insides. He loves the feeling of fullness, the taboo of having something so big inside him. He fucks himself harder, faster, until he can't take it anymore, pulling out with a loud pop, his asshole wide open and dripping.