charm the pants off someone
US /tʃɑːrm ðə pænts ɔːf ˈsʌm.wʌn/
UK /tʃɑːrm ðə pænts ɔːf ˈsʌm.wʌn/
1.
to impress or delight someone greatly, often to the point of persuading them to do something
:
•
He could charm the pants off anyone with his witty stories.
•
She tried to charm the pants off the judge to get a lighter sentence.