bescare
scarecrow
jump in one's skin
spook out
scare the life out of
do someone a frighten
scare the hell out of
flay
spook
make someone's hair stand on end
scare the living daylights out of
give someone the shits
send shivers down someone's spine
scare the pants off
scare
frighten
put the fear of God into
put the shits up someone
freak out
fearmonger
funk
scare the shit out of
hagride
frighten the piss out of
back out
brick it
overfrighten
geek out
frighten the life out of someone
scare someone to death
bug out
panic
make someone's blood run cold
affright
terrify
ph33r
put the heart across one
fright