Hang around and fake illness when mum goes (6)

I believe the answer is:

linger

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'hang around' is the definition.
(linger can mean to wait or hang around)

I don't understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for linger that I've seen before include "'Loiter, delay leaving (6)'" , "Hang about, don't be in a hurry to go" , "Stay behind" , "Hang back awhile" , "Remain behind" .)

I've seen this clue in The Telegraph.

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