to  sue  the pants off (of)  somebody or something
sue
su:
soo
the
ðə
dhē
pants
pɑ:nts
paants
off
ɒf
of
(of)
əv
ēv
somebody or something
sʌmbədi
sambēdi

Definition & Meaning of "sue the pants off (of) somebody or something "in English

to sue the pants off (of) somebody or something
01

to take legal action against someone and demand so much money and damages from them that it leaves them with nothing 

to [sue] the pants off (of|) {sb/sth} definition and meaning
Idiom
Informal

What is the origin of the idiom "sue the pants off someone or something" and when to use it?

The exact origin of the idiom "sue the pants off someone or something" is unclear. However, it is believed to have emerged as a colloquial expression in the United States during the 20th century. The phrase likely developed as a colorful and exaggerated way to convey the idea of pursuing legal action with great determination and intensity. It is used when someone intends to take strong legal action against another party, typically seeking significant compensation or damages.

Examples
If they publish those lies, I'll sue the pants off them. 
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