dirty bomb 
noun
A conventional bomb that contains radioactive material.He also told of a trip to Africa to buy radioactive materials for a dirty bomb from renegade Russians....
- They fear a hijacked oil tanker could be rigged with explosives or a radioactive dirty bomb could be smuggled ashore in a shipping container.
- They'll just get the weapons in anyhow, dirty bombs, clean bombs, or blow up one of the 103 nuclear power plants in America.
- putlock
- putlog
- putlog hole
- put money (or put one's money) on
- puto
- put-off
- put off the evil day (or hour)
- put-on
- put one over on
- put one's affairs in order
- put one's back into
- put one's best foot forward
- put oneself in another's place
- put one's face on
- put one's feet up
- put one's finger in the dyke
- put one's finger on something
- put one's foot down
- put one's foot in it (or put one's foot in one's mouth)
- put one's hand in one's pocket
- put one's hands together
- put one's hands up
- put one's head in a noose
- put one's money where one's mouth is
- put one's shirt on