yak(v) :[on]to talk about sthg unimportant; chatter.

yank(v) :[on]to pull with a violent jerk; tug suddenly.

yank off(v) :<slang><taboo>to masturbate, jerk off.

Yank, also Yankee(n) :a citizen of U.S.A.

yap(n) :(Am)<slang>1-a noisy and meaningless talk. 2-mouth 3-a rude, bad-tempered person.

yap(v) :to talk noisily and meaninglessly.

in one's/sb's (own) back yard(adv) :very near or close to a person.

spin sb a yarn(v) :to tell an untrue story as an excuse. _He --- about his coming late for the class, but his excuse cut no ice with the teacher.

yawp(n) :<slang>a meaningless and foolish talk.

yawp(v) :<slang>to talk meaninglessly and foolishly.

yeah(adv) :yes.

the year dot(n) :(used after in/since/from) <humor>a very long time ago. _I haven't seen you laughing so heartily from ---!

yellow(adj) :cowardly.

yen(n) :a great desire or longing (for sthg/to do sthg); craving; yearning. _He has a --- to play guitar.

yes-man(n) :<derog>an assistant or subordinate who always agrees with his/her employer, leader, etc.

be born yesterday(v) :(usu. in negatives) to be tricked, cheated, or deceived easily.

yippee(interj) :(used to express delight, happiness, joy, success, etc.)

you and yours(pron) :a person, his spouse and their family. _We have a party tonight, would --- like to join us?<This phrase is not recommended for use by foreign students>

You bet!(interj) :Certainly.

you know what you can do with it!(interj) :<slang><euphm>I don't want it! (also shove it up your ass!) _ Do you tell me you can help tomorrow afternoon?, --- !, this report must be finished till tomorrow morning!

you said it!(interj) :(used to express strong agreement with sb) What you said is completely true!; I agree! _The exam was awfully difficult. ----!

you're only young once :(used to encourage sb to do sthg or to forgive a young person's wrongdoing) The energy and chances come once esp. when one is young; so just use them before you get too old to do.

your you-know-what(n) :<slang><euph>1- sb's sexual organ, usu. penis. 2-anus.

Up yours!(interj) :<slang>(used as an answer to a criticism to express strong disagreement or rejection) Fuck off!; Go to hell! _Hey, if you continue to harass students, I will throw you out of the classroom. - ---, man, I am not here for my own will. ( also up yours and twist it!) <This phrase, often used with an offensive sign made by the hand, is not recommended for use by foreign students>

yuck(interj) :(used to express extreme dislike)

yucky(adj) :<derog>very unpleasant or bad. _Mummy, what did you put in that soup, it ‘s a bit yucky.