Scram
Scram (skram) , intransitive verb
to leave; to go away; used mostly as an impolite command to a person to go away from a specific location. [informal]
Scram (skram) , transitive verb
to shut down (a nuclear reactor) quickly, as in an emergency.
Scram (skram) , noun
the rapid shut down of a nuclear reactor, as in an emergency.