overshock
reel
overscare
overreact
overpulse
jolt
overfrighten
regrate
make the angels blush
overemotionalize
stun
jar
macroshock
overtheorize
overprovoke
overfanciful
skrik
shake
alamak
something fierce
whiskey tango foxtrot
overseverely
overintensely
splurt
poleaxe
furiously
drastically
scare someone to death
frighten the life out of someone
shockingly
overtill
catcall
oversensationalize
overagitate
enormously
alarmingly
overhysterical
maddingly
make someone's jaw drop
overalert
have kittens
scream bloody murder
overgrievous
superdrastic
over-egg the pudding
breath-catching
have one's wig snatched
knockdown
Pearl Harbor
blow a gasket