I think it's because usually the punchline is too long
Just Beer. If you don't get it, think mathematically.
I met a homeless guy on the beach in Los Angeles & thought "Wow this guy has it made"
You're a little rougher than I'm used to, but I'll grit and bear it. I'm sorry, that joke was a little rough ;D
This joke makes more sense if you can see it in person, but we'll give it a shot, anyway. Use your imagination. Why do the ladies love Jesus? Because he was hung like this!
Sorry, the punchline is the joke. If you don't get it, ask your dad.
A: Once when you tell it once when you tell her the punchline and once when she gets it.
The punchline is too long.