1) this word was originally came from captain marvel comics, Captain Marvel would say this word and it was the source of his power
2)We use it now to put emphasis on an extraordinary action
1) Captain Marvel says, "Feel my wrath evildoers, SHAZAM!"
2)A: "did you get the tickets?"
B: "It didnt look good but I waited for 2 hours, some people ahead of me gave up and went home, but" *pulls out tickets* "SHAZAM!"