| buckle up |
(informal) to fasten one's safety belt, as in a car or airplane. |
| build up |
to grow in size, amount, or intensity. [5 definitions] |
| buildup |
the act, instance, or process of increasing in amount, number, or strength; accumulation; increase; growth. [3 definitions] |
| built-up |
made greater in amount, size, strength, or the like, esp. by augmentation. [2 definitions] |
| bundle up |
to dress in warm clothing, esp. bulky clothing. |
| burn up |
to burn (something) completely. [2 definitions] |
| bust up |
to break up. |
| butter up |
(informal) to praise or act very nicely toward (someone), sometimes insincerely, in hopes of gaining something from that person. |
| buy up |
to buy all or most of the supply of (something). |
| call up |
(informal) to telephone (someone); make a call to. [2 definitions] |
| call-up |
an order to a large number of people to report for active military duty. |
| catch up |
to reach the same distance or level as another or others who are further ahead (usu. fol. by "to" or "with"). [3 definitions] |
| catch-up |
any attempt to overtake one who is ahead, as in a game. |
| chalk up |
to score; earn. [2 definitions] |
| check up on |
to look at or seek information about (someone or something) in order to find out if they are all right or if they getting into any trouble. |
| cheer up |
to stop being sad or unhappy; become cheerful or more cheerful. [2 definitions] |
| choke up |
to lose the ability to speak because of intense emotion or stress. [2 definitions] |
| choose up |
(informal) to select players for each side or team, as in a sandlot baseball game. |
| clam up |
(informal) to stop talking or refuse to speak. |
| clean up |
to wash or clean (something). [4 definitions] |