Exhaust pipe vapor (4)
I believe the answer is:
fume
(Other definitions for fume that I've seen before include "Emit vapour" , "Smoke - rage" , "Give off vapour" , "Smoulder with rage" , "Feel great anger" .)
I believe the answer is:
fume
(Other definitions for fume that I've seen before include "Emit vapour" , "Smoke - rage" , "Give off vapour" , "Smoulder with rage" , "Feel great anger" .)