"a side glance" is correct and usable in written English.
You can use it to describe the quick glance someone gives you from the side, either to observe you or to avoid eye contact. For example: He gave her a side glance when she entered the room.
His "Nation of Devils" focuses on Britain and America, with a side glance at South Korea and Scandinavia.
400 cals and counting is the long but glittering Children of the Sun by Martin Green - a side glance at English culture after 1918.
"You're still the best," a stranger tells her, to which Stritch gives a side glance and grunts, "Still, eh?" Karasawa pokes at the self-deprecation until it reveals itself as something far more perilous.
I knew without asking that his unwelcome attention had been snagged by my black Saudi costume… I took a side glance at Osama and saw that he was intently studying the curious man.
He gave me a skeptical side glance and pulled his head into his shell.
Not a snarky side glance to be had.
He often projects a kind of complicity with the audience, a sly little side glance, even as Daniel Craig's benign ish) stalker in Enduring Love, or Ben Stiller's hip chum in Greenberg.
As Elvira, Ms. Ebersole, the brilliant star of "Grey Gardens," has an enchanting devilish side glance, and she's sometimes very funny.
Following British success at the Breeders' Cup on Friday night, the Berkshire trainer Andrew Balding won Saturday's Mackinnon Stakes, an Australian Grade One, with Side Glance, who benefited from an inspired tactical ride by Jamie Spencer.
"If you look at the quality of the field that Dancing Brave beat in the 1986 Arc, it was chock-full of Group One winners and, although Frankel finished a long way clear, beating Side Glance, Indomito and Windsor Palace does not entitle him to be considered the superior horse at this stage in my opinion".
The good form of her stable was evinced by a really impressive listed success for Side Glance, in the famous colours bequeathed to Kingsclere by Paul Mellon.
