Someone who is really annoying and causes you a lot of aggravation.
pain in the neck
Someone who gives orders when you are driving.
backseat driver
Someone who hates to spend money.
cheapskate
Someone who has his/her nose in everyone else’s business.
busybody
Someone who talks non-stop.
chatterbox
Someone who is lazy and watches a lot of TV.
couch potato
Someone who likes getting up early in the morning.
early bird
Someone who cries a lot and for no good reason —not a real baby.
crybaby
Someone who copies others.
copycat
Someone who takes unnecessary risks.
daredevil
Someone who is very old.
old as the hills
A cold-hearted person.
cold fish
The "bad egg" in the family; the one who is always in trouble.
black sheep
Someone who is rich and successful- usually old.
fat cat
Someone who is a good friend when everything is fine.
fair-weather friend
Someone who is really good at something —like computers or Math.
a whizz