What does "flicker" mean in the sentence "His eyes flickered up at me from under his lashes."
Dose it mean "blink" or "a fast look"?

Question

What does "flicker" mean in the sentence "His eyes flickered up at me from under his lashes." 
Dose it mean "blink" or "a fast look"?

Answer

Flicker :
 to move with small quick movements. or to move from left to right .

Example :
Her eyelids flickered as she slept.

Answer

flicker: to move to and fro; vibrate; quiver

Answer

Yes. When a light bulb is old, it flickers.