My cheating ex letting me rub my dick against her big ass on holiday. After 5 years I found out she cheated with my best friend and then left me for a taller guy who probably fucked her deeper than I could.
After a few drinks, your girlfriend turns into a horny slut and starts signalling to all your friends how can cocks she wants at the same time. She gets on her knees and starts begging until they give it to her.