slither

US /ˈslɪð.ɚ/
UK /ˈslɪð.ɚ/
"slither" picture
1.

move smoothly over a surface with a twisting or oscillating motion

:
The snake slithered through the tall grass.
He watched the slug slither across the wet pavement.
1.

a slithering movement

:
He felt a cold slither across his bare arm.