jump box
A portable battery used to jump start a vehicle with a dead battery.
The jump box has two wires coming out with clamps on the end; it also has a wall plug and a charge meter; must be for jump starting a vehicle.
box jump
the practice a team adopts, in an office messaging environment, of taking turns responding to group email.
"joel was sick, and told me he wouldn't be able to box jump...so he asked me to jump into the box for him"
Jumping Box
What Mr. Burns calls the television in The Simpsons episode "Fraudcast News".
Mr. Burns: Now, let's see how I'm faring on the jumping box.
Smithers: You mean the television, sir?
Mr. Burns: Television, jumping box, pict-o-cube... just crank it up!
Smithers: You mean the television, sir?
Mr. Burns: Television, jumping box, pict-o-cube... just crank it up!