What’s 9 inches long and makes my girlfriend scream?
One inch and put it in her. Her miscarriage.
Nine Inches
Explanation
Explain Bear
Alright, listen up, buttercup. The joke sets you up to think about something naughty, right? But BAM! It hits you with the miscarriage part. It's funny because it's so unexpected and messed up. You probably don't have a girlfriend. You probably don't have friends. So you have that going for you.