Meaning:
adulthood 
'ædʌlthʊdn.
the period of time in your life after your physical growth has stopped and you are fully developed
the state (and responsibilities) of a person who has attained maturity
hoo Idiom, Proverb
a hoot
a time of laughter, a good time, a riot Last night we went to Maude's party. It was a hoot.
all shook up
excited, nervous Al gets all shook up when he sees Gina. He likes her a lot.
beggars can't be choosers
people who receive free things should not expect the best "When they complained about the shabby coats, he said, ""Beggars can't be choosers."""
by hook or by crook
in any way necessary She says that she will go to Italy this year by hook or by crook.
choose sides
help one side or team, take sides Some of the students will dislike you if you choose sides.
choose up sides
choose people to play on two or more teams Let's choose up sides and play a game of volleyball.
drop out (of school)
quit school or a course of some kind She dropped out of the class after three months.
give a hoot
"care; show interest, show concern" The problem with Julio is that he doesn't give a hoot about family.
hoo-haw
penis, dork, prick """Yes, I've seen a hoo-haw,"" she said. ""I have three brothers."""
hooch
liquor, booze, homebrew, screech Arne brought a bottle of hooch to the dance.
hood
teenage boy involved in crime, hoodlum Ron looks like a hood, but he's a good boy - and a good student.
hook, line and sinker
without question or doubt, completely She fell in love with her new boyfriend hook, line and sinker.
hook up
connect or fit together As soon as we moved to our new apartment we had to hook up the phone.
hook up with
join, travel together In Calgary, I hooked up with a guy from Montreal.
hooker
prostitute, fallen woman As I walked along 3rd Avenue, a hooker asked me if I was lonely.
hoot
laugh, laugh your head off, split a gut When I said I live in Moose Jaw, he hooted. He laughed at me.
in cahoots
like partners, helping each other I think the judge and lawyer are in cahoots - working together.
in cahoots with
in secret agreement or partnership with someone The supermarket was in cahoots with the vegetable producer to try and keep the prices high.
in the hoosegow
(See in the slammer)
jump through a hoop
do whatever one is told to do, obey any order He is always ready to jump through a hoop for his boss so he is not very popular with the other employees.
jump through hoops
do all the required steps, red tape To get a student loan, I had to jump through a lot of hoops.
let (someone) off the hook
excuse someone from a penalty or promise He let me off the hook and I didn
make whoopee
kiss and hug, get it on, make love Tony and Victoria were making whoopee when we walked in.
motherhood and apple pie
statements about mom and home etc. The audience wants news and facts, not motherhood and apple pie.
off the hook
out of trouble or free from an embarrassing situation I think that I am off the hook now and won
on tenterhooks
carefully, cautiously, afraid to move He's cautious since his accident. He drives around on tenterhooks.
phooey
oh no, darn it, nuts, rats, shucks Phooey! I hit my golf ball into the water again!
play hooky
stay away from school or work without permission When he was a student he often played hooky and didn
ring off the hook
receive many phone calls We put an ad in the paper. Now the phone's ringing off the hook!
school of hard knocks
ordinary experiences of life He learned all about life in the school of hard knocks.
school's out
school is finished for the day or for the year When the bell rings at 3:30, school's out! Yea!
shoo-in
someone or something that is expected to win, a sure winner The new president is a shoo-in to win another term in office.
shook up
upset, worried He was really shook up after the accident and has not been back to work since.
shoot
tell me, say it, I am listening, fire away """Do you have any news?"" ""No. Just a rumor."" ""Shoot. I love rumors."""
shoot it out
shoot at each other, shoot until one is killed The thief decided to shoot it out with the police.
shoot one
spend all one
shoot-out
a gunbattle, a duel Two men died in the shoot-out: one cop and one robber.
shoot-out (sports)
taking shots at each goal to determine the winner Sweden won the gold medal by defeating Canada in a shoot-out.
shoot straight
act fairly, deal honestly He always shoots straight when he is dealing with the police or the government.
shoot the breeze
talk, visit, chat, chew the fat Hank and I were drinking beer and shooting the breeze.
shoot the breeze/bull
talk idly I met him at the supermarket so we decided to shoot the breeze for a few minutes.
shoot the shit
visit, have a conversation, a chin wag The ladies went shopping, and the men sat around shootin' the shit.
shoot the works
spare no expense or effort They are planning to shoot the works when they plan the victory celebration for the Olympic medal winners.
shoot up
arise suddenly The flames shot up over the top of the building when the wind started blowing.
shoot your mouth off
talk without thinking, blab, squeal Moe won't shoot his mouth off. He won't tell anybody.
shoot your wad
spend all your money, use all you have If you shoot your wad today, what will you spend tomorrow?
shoot yourself in the foot
ruin your chances, cut off your nose..., your own worst enemy If you want the job, don't be late for the interview. Don't shoot yourself in the foot.
shooting fish in a barrel
a task that is too easy, a game without challenge We won 18-2. It was like shooting fish in a barrel.
shooting match
(See the whole shooting match)
square shooter
fair dealer, honest person Sidney is a square shooter. He won't cheat you.