Glisk

"[…] to watch the young fish go by glisking, and I thought to look a fish in the eye for the expression there and see if a wild fish were stupid or not. But no fish stopped and I thought of the pie again, in my mind seeing the brown peaks rising up where they would be[…]"

"As the piercing e'en o' Sir David Grame; / She glisked wi' her e'e where these e'en should be, / But the raven had been there afore she came. / There's a cloud that fa's darker than the night, / An' darkly on that lady it came; […]"