make a laughingstock of

Lay open to ridicule, as in They made a laughingstock of the chairman by inviting him to the wrong meeting-place, or She felt she was making a laughingstock of herself, always wearing the wrong clothes for the occasion. The noun laughingstock replaced the earlier mockingstock and sportingstock, now obsolete. The idiom was first recorded in 1667.

Words nearby make a laughingstock of

make a go of, make a hash of, make a hit, make a hole in, make a killing, make a laughingstock of, make a living, make a long story short, make a monkey out of, make a mountain out of a molehill, make a name for oneself