1. Forcefully inserting a grape into an unwilling participant's oriface
2. Accidentally getting so drunk on wine (usually on Thanksgiving) that you wake up the next day feeling violated.
"Alicia was upset that her family didn't like her dinner that she started drinking with her meal. Before she knew it, she got brutally graped and woke up with a turkey leg in her buttcheeks"
When you haven’t landed a woman in months. When you get a message on Tinder that they want to come over but they aren’t particularly attractive but you want to get some practice in with their pussy, you jump on it instantly. Usually used in context when you want to get back into the pussy screwing game.
Greg: I hear you FINALLY got pussy last night, bro
Tom: yes it was Stepping-Stone Pussy. She wasn’t that attractive but the pussy felt great! Now I can say I’m back!!!