It's involved in kissing and telling (3)
I believe the answer is:
lip
(Other definitions for lip that I've seen before include "Edge; impudent talk" , "Sauce" , "It can be read" , "Top edge of a vessel" , "Rim; impertinence" .)
I believe the answer is:
lip
(Other definitions for lip that I've seen before include "Edge; impudent talk" , "Sauce" , "It can be read" , "Top edge of a vessel" , "Rim; impertinence" .)