swing the lead

Meaning

1. to pretend to be ill / sick when in fact you are not, especially to avoid work

   I don't think there's anything wrong with her — she's just swinging the lead.

From the same entry

• swing the balance
• swing both ways
• swing for the fences
• swing into action
• no room to swing a cat
• swing by
• get in the swing
• go with a swing
• in full swing
• swings and roundabouts