Start to slide? (3)
I believe the answer is:
mud
(Other definitions for mud that I've seen before include "soft soil" , "Wet sticky earth" , "Adverse comments" , "slander" , "-, -, Glorious - (Flanders and Swann)" .)
I believe the answer is:
mud
(Other definitions for mud that I've seen before include "soft soil" , "Wet sticky earth" , "Adverse comments" , "slander" , "-, -, Glorious - (Flanders and Swann)" .)