put the shits up someone
make someone's hair stand on end
freak out
scarecrow
scare the life out of
scare the hell out of
do someone a frighten
scare the living daylights out of
put the heart across one
scare the pants off
geek out
fray
scare the shit out of
give someone the shits
spook out
flay
put the wind up
scare someone to death
frighten the life out of someone
spook
make someone's flesh creep
creep out
not bear thinking about
jump in one's skin
dread
make someone's skin crawl
rattle
frighten the piss out of
fear
curl someone's hair
put the fear of God into
get the wind up
scare
brick it
hagride
panic
have the wind up
bescare
overscare
concern
shy
scare someone out of their wits
terrify
cower
set up someone's birse
befright
worry someone sick
tremble
fearmonger
send shivers down someone's spine
funk
preoccupy
quake in one's boots
wrack
overfrighten
shit oneself
glope
frighten
disquiet
recoil
apprehend
terrorise
get someone's dander up
have one's heart in one's boots
tread on someone's toes
bare one's breast
get someone's Irish up