scare the crap out of (one)(redirected from scaring the crap)
scare the crap out of (one)
rude slang To shock or frighten one very suddenly or severely. Hyperbolically alludes to frightening one so badly as to cause them to lose bowel control. Don't sneak up on me like that—you scared the crap out of me! The sound of the fire alarm scared the crap out of us this morning.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.