Impudent or insolent rejoinder; edge (3)
I believe the answer is:
lip
(Other definitions for lip that I've seen before include "Edge, rim" , "giving such insincere service" , "sauciness" , "Brink" , "Brim" .)
I believe the answer is:
lip
(Other definitions for lip that I've seen before include "Edge, rim" , "giving such insincere service" , "sauciness" , "Brink" , "Brim" .)