| up the yin-yang | |||
| up-to-date | |||
| up to eleven | |||
| up to here | |||
| up to no good | |||
| up to one's ears | |||
| up to one's neck in alligators | |||
| up to scratch | |||
| up to something | |||
| up to speed | |||
| up to the hub | |||
| up with the chickens | |||
| up with the lark | |||
| up with the larks | |||
| urban fabric | |||
| use a sledgehammer to crack a nut | |||
| used to | |||
| use in anger | |||
| useless as tits on a boar hog | |||
| use one's head | |||
| use one's noggin |