What does "lips me off" mean?

[Frank Stern]

English Language Tests, Intermediate level

ESL/EFL Test #721 "Real Life: Using Body Parts as Verbs (1)", question 2

I hate when my son ......... me off. I really don't like it when children talk back to their parents and my son is no exception.

(a) faces
(b) lips
(c) necks
(d) arms

English Language Tests, Intermediate level

ESL/EFL Test #721 "Real Life: Using Body Parts as Verbs (1)", answer 2

I hate when my son lips me off. I really don't like it when children talk back to their parents and my son is no exception.

Correct answer: (b) lips

Your answer was: incorrect
I hate when my son faces me off. I really don't like it when children talk back to their parents and my son is no exception.
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What does lips me off means here?

[Mister Micawber]

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Talks back.
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Native English teacher at Mister Micawber's