drop a brick

1. Also, drop a clanger. Say something indiscreet, commit a social gaffe. For example, John dropped a brick when he called her by his ex-wife's name. [Slang; 1920s]

Example Sentences

“Imagine what happens if you drop a brick in a flat pond - ripples spread in all directions,” said Robert Hall, a geologist at Royal Holloway University of London, who has studied the area.

Read more on Washington Times

“Imagine what happens if you drop a brick in a flat pond — ripples spread in all directions,” said Robert Hall, a geologist at Royal Holloway University of London, who has studied the area.

Read more on Seattle Times

It might care enough for Lee to drop a brick now and then.

Read more on Project Gutenberg