cracker

2.彩包爆竹，彩色拉炮（在英国用于圣诞聚会和聚餐，通常装有纸帽、小礼品及笑话纸条）a tube of coloured paper that makes a loud explosive sound when it is pulled open by two people. Crackers usually contain a paper hat, a small present and a joke, and are used in Britain at Christmas parties and meals.

3.(informal)（认为）十分愉快的事，滑稽可笑的事something that you think is very good, funny, etc.

1.〈美〉饼干;〈美〉脆饼

2.爆竹;鞭炮

3.胡桃夹,破碎器;〈谑〉牙齿

4.〈俚〉谎话

5.〈美〉贫穷的白种人

6.〈俚〉全速力

7.破门撬锁者

8.说大话的人

9.(石油)裂化设备

1.a type of thin dry hard biscuit often eaten with cheese

2.an insulting word for a poor white person who lives in the southeastern U.S.

3.an attractive woman

4.a decorated paper tube that makes a noise when you pull it apart. It usually has a small toy, joke, and paper hat inside and is traditionally used at Christmas.