I decided today that I was going to do something with my life, something amazing, and I decided to punch a homeless man.
Amazing Life
Explanation
Explain Bear
Listen here, you knucklehead. The joke is funny 'cause the dude thinks he's gonna do somethin' great with his life, but then he just punches a homeless dude. It's unexpected and messed up, which makes it dark humor. You probably thought he was gonna, like, cure cancer or somethin', huh? I bet you think participation trophies are cool too, don't you?