The term: " AC/DC " - means to serve two different masters... and, that lightening bolt is actually the symbol of one of them!

TNT - AC/DC ( 1975 ).

In The 1975 Classic: " TNT " - written by: Angus McKinnon Young [ that means: " The Solitary Choice Is My Own Fair Son Who Is Still Far Younger Than I Am" ], Malcolm Mitchell Young [ that means: " He That Is Devoted To Peace Is The One Like Unto God Who Is Still Far Younger Than I Am "  ], and Ronald Belford Scott [ that means: " He Who Shall Rule With Extremely Wise Council Is That One Who Sounds The Alarm At Your River Crossing; And My Own Painted Warrior " ]; and performed by AC/DC [ which, literally, means: " To Actually Have It Both Ways, Or To Simultaneously Serve Two Different Masters " ] - we have been provided An Interesting Prophetical Allegory. 

After all, the one whom they're actually singing about is ( both ): The Lord Of War and The Angel Of Death!

After all, it's your own: " River Of Dreams "....

What, you don't believe me? Then, why not watch The Following Musical Video entitled: " TNT " - to see, exactly, what I'm talking about! Since, in the much grander scheme of things, You Might Just Be Glad That You Did....  

America In Prophecy " TNT "  ( 1975 ) - by: Angus McKinnon Young. " The Solitary Choice Is My Own Fair Son Who Is Still Far Younger Than I Am! "