The phrase "throw it aside" is correct and usable in written English.
You can use it when talking about discarding something that is no longer useful. For example: "I've decided to get rid of my old textbooks - I'm just going to throw them aside."
An insect.' You'd either eat it or throw it aside".
It's all enjoyable enough, but by the end of Hill's book, you're eager to throw it aside and start tackling all the works of genius she talks about.
"I've noticed that sometimes he'll miss a conversion or a penalty and his head will drop a little bit... whereas other guys will just throw it aside and get on with the game".
Some airlines event instruct the crew to grab your luggage from you (if they can) and throw it aside and not allow them on the slide.
Are we a country in which seven judges can take the entire Constitutional and common-law history of marriage and throw it aside and the people will not have a say, or are we a country where the people of Iowa are going to stand up and say, 'Enough is enough?'".
A second soldier grabbed the knife and threw it aside.
He then photographs his tattoo and slides the picture under the door, but the woman throws it aside.
As for your narrator, I got through two hundred pages of Thomas Mann's "The Magic Mountain" before throwing it aside in favor of thrashing the young'uns at Rummy.
As she began work her finger got caught on the device and thinking it was a piece of rubbish, she threw it aside.
The plan was hardly well concealed; at some point, it was placed in the hands, through an anonymous letter, of the Secretary of War, John B. Floyd, who, in the great tradition of American counter-terrorism, shrugged and threw it aside.
"I pushed him against the wall and we wrestled, then I pushed him into another wall which resulted in him going to the ground and I managed to get the weapon from him and threw it aside under a table.
