1 VERB 撒尿；解小便 To piss means to urinate. 撒尿；解小便 [informal, rude]

2 N-SING 撒尿；解小便 If someone has a piss, they urinate. 撒尿；解小便 [informal, rude]

3 N-UNCOUNT 尿；小便 Piss is urine. 尿；小便 [informal, rude]

4 VERB [usually cont] 下大雨 If it is pissing with rain, it is raining very hard. 下大雨 [British, informal, rude]

5 VERB 笑得不能自制；笑破肚皮 If someone is pissing themselves, or is pissing themselves laughing, they are laughing a lot. 笑得不能自制；笑破肚皮 [British, informal, rude]

6 PHRASE 取笑；嘲弄 If you take the piss out of someone, you tease them and make fun of them. 取笑；嘲弄 [British, informal, rude]

7 PHRASAL VERB 走开；滚开 If someone tells a person to piss off, they are telling the person in a rude way to go away. 走开；滚开