ˈlaughing stock BrE AmE ( also laugh‧ing‧stock American English ) /ˈlɑːfɪŋstɒk $ ˈlæfɪŋstɑːk/ noun [countable]
someone who is a laughing stock has done something so silly that people have no respect for them:
The programme has made the U.S. a laughing stock.