frighten the piss out of
flay
overfrighten
funk
terrify
scare the shit out of
put the wind up
bescare
spook
make someone's hair stand on end
spook out
do someone a frighten
scare the hell out of
curl someone's hair
scare someone to death
have the wind up
frighten the life out of someone
crap one's pants
piss one's pants
panic
make someone's skin crawl
put the fear of God into
get the wind up
apprehend
terrorize
wrack
scarecrow
brick it
scare the bejeebers out of
put the heart across one
terrorise
befright
run scared
scare
scare the pants off
tremble
frighten
gloppen
fray
alarm
dismay
send shivers down someone's spine
jump in one's skin
freak out
put the shits up someone
geek out
scare someone out of their wits
glope
dread