Talk about dumb things to do! Why would you do something as stupid as showing off on your motorcycle at a very high speed when your girlfriend is on the back with you? She's definitely going to be looking for a new boyfriend after this! Unbelievable.
You might also want to check out this video of an incredibly dumb criminal trying to break into a store, or watch this video of a sleeping guy getting a dumb haircut from his scheming friends!