overfrighten
frighten the piss out of
frighten the life out of someone
scare someone to death
funk
crap one's pants
piss one's pants
overscare
scare the shit out of
terrify
flay
scare someone out of their wits
do someone a frighten
dread
scare the hell out of
bescare
put the fear of God into
spook
spook out
jump in one's skin
put the wind up
overfear
overprovoke
overagonize
put the heart across one
make the angels blush
fearmonger
jackass
frighten
run scared
make someone's skin crawl
jolt
panic
scarecrow
overwarn
overembellish
regrate
overshock
curl someone's hair
press the panic button
make someone's hair stand on end