shit a brick

present singular third person shits a brick · participle present shitting a brick · participle past shat a brick · past shat a brick · participle past shitted a brick · past shitted a brick · alternative shit bricks

1. idiomaticvulgarTo react strongly or excessively, especially in anger, fear, or astonishment.

   When he saw that bull moose charging, he was about to shit a brick.

   2 more examples

   If our boss finds out we did this and didn't tell him, he's gonna shit a brick.

   She was thunderstruck when she came face to face with the tomb of Sir Isaac Newton. At her age, and in that same place, my big brother Bernie, a born scientist who can't draw or paint for sour apples, would have shit an even bigger brick.

   1997, Kurt Vonnegut, Timequake