The phrase "shoot it off" is correct and usable in written English.
It can mean to quickly send something, such as an email, or to quickly shoot or fire a gun. For example: "I just need to shoot off an email to my boss before I leave for the day." or "He fired off a shot into the air."
"I just tried to shoot it off the glass as quick as possible".
I think instead of Immodium I'm going to buy a pistol and just shoot it off every time I get nauseous.
Without even a glance at the Help pages, you can view your clips, trim their ends, drag them into a sequence, add background music, and then fire the whole thing off to YouTube, save it as a new movie file on your hard drive, shoot it off as an e-mail attachment, or even upload it to Pure Digital for conversion into a DVD.
Put the cursor in the chat window, press paste, and shoot it off into the world.
Shoot it off to the anonymous email address listed, and fingers crossed, hope for the best.
Later in the film, this character has a shot of Scotch placed on her head, and Bardem invites Craig to shoot it off, William Tell/Burroughs-style. Bond misses.
Treasury Secretary Lawrence Summers calls that "loading the cannon," and warns of the dangers of shooting it off too early.
He'd come in high and shot it off center, in the bottom-right corner of the frame, foregrounding a plain of dunes that stretched as far as the eye — even the paraglider-aided one — could see.
I don't, but I'll make something up: Look at my lady she's a sure fine lady Look at my dog, she sleeps near the logs Look at my home, it's shaped like a home Look at my land, I work it with my hand, 'cuz I'm a one-handed man I lost one hand to a man named Dan 'cuz I'm a one-handed man A guy named Dan shot it off, just like he planned.
Then it was hop, hop, and a magnificent leap up the hill, like a loaded spring had shot it off.
The Spitter, as you might imagine, spits venom at the survivors causing burn damage, while the Jockey – perhaps the most amusing infected – jumps on to the back of unlucky survivors causing incapacitation until a colleague shoots it off.
