Slide (especially on the belly) (7)
I believe the answer is:
slither
(Other definitions for slither that I've seen before include "Undulate" , "Snake along" , "Quietly advance" , "Slide, slip" , "Move like a snake" .)
I believe the answer is:
slither
(Other definitions for slither that I've seen before include "Undulate" , "Snake along" , "Quietly advance" , "Slide, slip" , "Move like a snake" .)