Thick oil (6)
I believe the answer is:
grease
(Other definitions for grease that I've seen before include "Fat, film" , "Lubricating agent" , "Musical - lubricant" , "Fully aware, astonished" , "bribe" .)
I believe the answer is:
grease
(Other definitions for grease that I've seen before include "Fat, film" , "Lubricating agent" , "Musical - lubricant" , "Fully aware, astonished" , "bribe" .)