· guts (1): courage.

　　· "It took a lot of guts to ask his boss for a raise."

　　· guts (2): the nature of something.

　　· "Let's get to the guts of the program!"

　　· hairy: difficult; dangerous.

　　· "The steep and windy road was really hairy."

　　· hang a left: make a left turn.

　　· "Hang a left at the next corner."

　　· hang a right: make a right turn.

　　· "Hang a right at the next corner."

　　· head: toilet.

　　· "I really need to use the head!"

　　· hep: sensible; informed.

　　· "He is really the heppest man in this town."

　　· hickey: a love bite on the skin.

　　· "Wow! Is that a hickey on your neck?"

　　· hip: sensible; informed.

　　· "He really tries hard to be hip."

　　· hooker [possibly offensive]: prostitute.

　　· "You'll find a lot of hookers in the red light district."

　　· horny [possibly offensive]: sexually stimulated; in the mood for sex.

　　· "Red wine seems to make my boyfriend horny. "

　　· hot (1): popular.

　　· "Brad Pitt is really hot now."

　　· hot (2): sexy.

　　· "Wow! Cindy Crawford is really hot!"

　　· humungous: really big.

　　· "American supermarkets are humungous."

　　· hungries, to have: be hungry.

　　· "I don't know about you, but I've got the hungries."

　　· hyper: overly excited.

　　· "Children often get hyper when they are tired."

　　· icky: unpleasant.

　　· "The food is really icky in the school cafeteria."

　　· I.D.: identification.

　　· "If you want to order a beer, you'll need your I.D."

　　· I'm outta here: I'm leaving; I'm departing.

　　· "Sorry, but I'm outta here, dude."

　　· in: fashionable.

　　· "Ray-Ban sunglasses are really in now."

　　· ivories: teeth.

　　· "Tom Cruise has really beautiful ivories."

　　· jack around [possibly offensive]: waste time.

　　· "Will you please stop jacking around?"

　　· jam, in a (1): trouble.

　　· "If you're in a jam, I promise to help you."

　　· jam (2): improvise (musically).

　　· "I'd love to jam with Bon Jovi!"

　　· jamming, to be : going well.

　　· "The party is really jamming!"

　　· jerk: stupid or annoying person.

　　· "How could you go out with such a jerk?"

　　· jillion: an immense number.

　　· "Do you really have a jillion problems?"

　　· jock: someone good at sports.

　　· "I've never been much of a jock."

　　· john: toilet.

　　· "Where's the john?"

　　· K (k): a thousand.

　　· "I could retire with 100 K (k)!"

　　· kick back: relax and enjoy.

　　· "I wish I could kick back at the beach today."

　　· kick off: die.

　　· "My dog finally kicked off."

　　· killer: something exceptional or great.

　　· "Wow, your boyfriend is killer!"

　　· knock: condemn.

　　· "Don't knock it unless you've tried it."

　　· knockout: beautiful woman; handsome man.

　　· "Benjamin is already a knockout!"

　　· kook: peculiar person.

　　· "Stop acting like a kook!"

　　· laid back: relaxed; calm.

　　· "I always feel laid back at the beach."

　　· lame: incompetent.

　　· "He is totally lame in the bed."

　　· lip: cheeky talk.

　　· "My students are always giving me lip!"

　　· loser: a bungling and worthless person.

　　· "Why are you dating such a loser?"

　　· love handles: excess fat around the waist.

　　· "Is it possible for Marple to lose his love handles?"

　　· luck out: to be lucky or fortunate.

　　· "You really luck out by visiting Tom's home!"

　　· make waves: cause problems.

　　· "Teachers don't like students to make waves."

　　· max, to the : maximum.

　　· "I'm happy to the max."

　　· mega: big.

　　· "American restaurants serve mega portions of food."

　　· megabucks: a large amount of money.

　　· "It takes megabucks to live in Japan."

　　· mellow: relaxed.

　　· "I'm feeling very mellow this evening."

　　· mickey-mouse: unimportant; time-wasting.

　　· "I'm sick of this mickey-mouse job."