The phrase 'stand sideways' is a correct and usable phrase in written English.
You might use this phrase to describe someone's physical posture or position, such as: "The boy stood sideways to the wall, trying to hide from the teacher."
I stand sideways to the target, relax my shoulders, fit the arrow on to the bow and then raise it.
Snowboarders stand sideways with both feet attached to a single board that is about six feet long and 10 inches wide.
For all I knew, it might have been one of those miniscule pubs, about the size of a first-time buyer's flat, containing two tables and seven stools, and in which large people have to stand sideways.
He refuses to speak - the common courtesies of "hello" and "thank you" would have been a start - and will not face the crowd, electing instead to stand sideways, thus giving every impression of playing solely for his band rather than the audience.
I'll call it the forward stance – that stance in Karate where you stand sideways, arms up to block, knees bent.
Some won't stand sideways; others simply refuse to be stackable.
He stood sideways to the audience, and sang with an anxious expression.
The porcupine stood sideways, regarded us and then waddled off along the shoreline.
He stands sideways to the mirror he is looking at while he paints, and turns his head lightly towards it in a nonchalant, aristocratic pose.
Strategies to increase strength include "bend your knees", "on your toes", "up the stairs", "on your heels", "sit to stand", "walk sideways", and "tighten muscles".
Stand facing sideways to the water, but this time have your dominant hand closest to the water's edge.
