Mull, with "on"
I believe the answer is:
chew
(Other definitions for chew that I've seen before include "Reflect on" , "Treat for dog" , "What gossips do to fat" , "Prepare to swallow" , "Work or grind between teeth" .)
I believe the answer is:
chew
(Other definitions for chew that I've seen before include "Reflect on" , "Treat for dog" , "What gossips do to fat" , "Prepare to swallow" , "Work or grind between teeth" .)