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