What is S-b Theory?
1.
Sperm Build-up Theory: A girl with a really nice ass, starts dating some guy who is clearly tagging her, and her ass gets much larger, while everything else stays proportionate.
Jessica follows the S-B theory to a tee! She used to be smokin', but since she started dating Mark her ass has become huge! Must be sperm build-up!
See
Random Words:
1.
Like a 'dirty sanchez' but with jizz. Girlfriend gets manpaste on her hand and smears over boyfriends mouth and face, leaving ..