to needlessly duplicate the basics of a method
If we have the technology to clean up the atmosphere, why do we always try to reinvent the wheel?
1. a person or thing that looks exactly like anther person or thing
2. an exact duplicate
That bear is a dead ringer of the one that was found in the pool.
1. a convict serving a life sentence in prison
2. someone who goes joins the military and stays for the sake of having a job
Some lifer was trying to sue the prison for negligence because of an itch.
Apparently the storm is just around the corner.
a victim, the target of criminal activity such as theft or murder
He was afraid he was a mark, but had nothing of value to steal.
an elaborately staged activity, performance, presentation, or event designed to sway or convince people (from a derisive term for a small circus)
Power point was originally used by buisnesses to create a dog and pony show.
1. a erection of the penis
2. a stubborn and severe person
His hard-on drew unwanted attention from his students.