elephant gun

American  

noun

1. a gun of very large caliber, as .410 or greater, used in killing elephants or other big game.

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elephant gun British  

noun

1. a gun used in the hunting of elephants

2. slang a surfboard for riding large waves

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Example Sentences

It’s more, would it be wrong to use this elephant gun in this situation?

From New York Times

Because the point of the sci-fi isn’t, “Wow. We’ve really gamed out that somebody will one day be able to make an elephant gun.”

From New York Times

But Mr. Buffett’s stock repurchases suggest that the huge amounts of cash that Berkshire generates every year from its insurance holdings — which he has called his “elephant gun” — are unlikely to be spent on the kind of major corporate acquisitions that have been among his signature business achievements.

From New York Times

For the most part, I see no point in training an elephant gun on small targets.

From New York Times

"This had zero re-retweets, nobody would have heard of this thing, except for the letter he sent to the professor and the professor's boss. ... Copying the guy's boss does look like an attempt to get him in trouble, or worse, at work. ... Given his prominence, it looks like using an elephant gun to attack a flea and that's why this has blown up."

From Fox News