An old blues phrase referring to an electric guitar amplifier.
"Turn that darn devil box down!"
by Psychedelic Hillbilly June 03, 2009
A way retarded old people might refer to the television.
"Can't you kids turn down that goddamn devil box?!"
by prissorsxrawks October 16, 2008
Slang for cell phone.
"Its tough to write e-mail on this devil box, I'll tell ya more later"
by Tom May 27, 2004