'peek around' is correct and usable in written English.
You can use it in a sentence to express looking around a place to try and find something. For example, "I peeked around the room to try and find my lost phone."
In a statement issued to MTV News, Reznor reflected on his collaborations with Keenan: "It has been an interesting experiment for Maynard and I to peek around in each other's heads, shining flashlights in some shadowy corners…We've realized we're each in somewhat similar places in our respective lives and outlook, so it's been great to collaborate on that level".
Lastly, peek around for places where oil may have leaked, dripped, or seeped.
Peek around corners and under carpets, too.
We peek around guiltily, missing Burley's voice.
He can flatten himself against walls and peek around corners or crawl through air vents.
The doctors would open the elbow and peek around inside, then proceed according to what they saw.
My first elephant encounter was in fact rather unexpected; a sneaky trunk peeking around from the back of the kitchen, curious to identify any chopped up pieces of fruit ready for eating.
And the mirrors are a fascinating design aspect, because there are those support beams which may be invasive to the view, but I just ended up peeking around to see what people are doing.
They peeked around and then an advertisement window slid up like a little lampshade beneath them.
You can also try putting your back to the back of a wall next to a doorway and practice peeking around and firing quick shots.
It was never going to set the world alight, but this is a fun, guns-peeking-around-corners, sexy-scenes-abound action romp, with some good comic acting (the therapy scenes in particular).
