press the panic button
panicogenic
paniculate
panickingly
paniculiform
swivet
panic stations
frantic
panicky
antipanic
panicled
in a right state
geek out
panicked
run scared
have one's heart in one's boots
panicker
dread
panickily
panic
hairy
piss one's pants
crap one's pants
afraid
clawing
spook
gabra
panicogenesis
subpaniculate
paniclike
panic-stricken
trouble
fantigue
worrit
crap oneself
paniculated
take fright
brick it
fear
funk
skrik
terror
scaredly
paniculately
buttock-clenching
flay
frightsome
shy
anxiety attack
scared
dreadingly
scaaared
alarmed
worryingly
hair-raising
existential crisis
stampede
worriedness
fearing
fearfully
shit scared
scared spitless
shot
scared shitless
fearingly
stewing
crawlies
get the wind up
panickedly
spook out
shitting planks
petrifying
flip one's lid
terrifiedness
one's heart in one's mouth
fret
subpanicled
apprehend
horrid
alarming
have kittens
bug out
anxiousness
quake in one's boots
flop sweat
frenzied
cold chills
overfearfulness
panic-buyer
apprehensively
uneasily
frightened
anxiously
panic-buy
jolt
out of one's skin