| up on one's ear | |||
| upper crust | |||
| upper-crust | |||
| up poo creek | |||
| ups and downs | |||
| up shit's creek | |||
| up shit's creek without a paddle | |||
| up the boohai | |||
| up the creek | |||
| up the walls | |||
| up the yin-yang | |||
| up to here | |||
| up to no good | |||
| up to scratch | |||
| up to something | |||
| up with the chickens | |||
| up with the lark | |||
| use a sledgehammer to crack a nut | |||
| used to | |||
| use one's head | |||
| use one's noggin |