Have something up your _____
SLEEVE
pull one's _____ up
SOCKS
Off the _____
cuff
fit like a _____
glove
to do something immediately
at the drop of a hat
don’t lose your temper, stay calm
Keep your shirt on!
not wearing any clothes, naked
in one's birthday suit
to have a secret plan or idea prepared
to have something up your sleeve
Put your thinking ____ on
CAP
keep sth secret
keep sth under your hat
Get hot under the ____
COLLAR
in your birthday _____
SUIT
at the drop of a _____
hat