GOAT
the greatest of all time
a mix-up
a misunderstanding
to be all ears
to listen carefully
having guts
having courage to do something
to be phat
to be cool
to be a chicken
to be a coward
never mind
let's change the subject
chill out
to calm down/relax
to be a downer
to bring the mood down
to pull an all-nighter
to study or work all night
no-brainer
something that is obvious to do
to be an early bird
to get up always early
to be a third wheel
to be an unnecessary person in a situation
to hit on somebody
to flirt
to dump someone
to end a relationship
see ya!
good-bye!
hush-hush
to keep something a secret
to bad mouth
to talk negatively about someone
to catch some Z's
to take a nap
to make out
to kiss