1piss 
/ˈpɪs/ verb
piss·es; pissed; piss·ing /ˈpɪs/ verb informal + impolite 1 [no obj] : urinate
▪ I have to piss. 2 [+ obj] : to urinate in or on (something)
▪ He pissed [=wet] the bed. ▪ I was so scared I almost pissed my pants.
▪ I have to piss.
▪ He pissed [=wet] the bed. ▪ I was so scared I almost pissed my pants.
not have a pot to piss in
informal + impolite : to have no money or possessions
▪ I had just moved to the city and didn't have a pot to piss in.
▪ I had just moved to the city and didn't have a pot to piss in.
piss about/around
[phrasal verb] Brit, informal + impolite 1 : to spend time doing things that are not useful or serious : to waste time
▪ She didn't come all this way just to piss about. ▪ Don't piss around with your health—see a doctor! ▪ It's time we stopped pissing about [=fooling around] and got busy. 2 piss (someone) about/around : to be unfair or dishonest with (someone)
▪ The sales clerk is pissing us around [=(US) jerking us around]—he keeps saying he'll help us, but we've been waiting for 20 minutes!
▪ She didn't come all this way just to piss about. ▪ Don't piss around with your health—see a doctor! ▪ It's time we stopped pissing about [=fooling around] and got busy.
▪ The sales clerk is pissing us around [=(US) jerking us around]—he keeps saying he'll help us, but we've been waiting for 20 minutes!
piss and moan
US, informal + impolite : to complain in a constant or annoying way
▪ He's always pissing and moaning about having to pay taxes.
▪ He's always pissing and moaning about having to pay taxes.
piss away [phrasal verb]
piss (something) away or piss away (something) US, informal + impolite : to foolishly waste (something, such as money, talent, opportunities, etc.)
▪ He pissed a fortune away on gambling and drinking.
▪ He pissed a fortune away on gambling and drinking.
piss down
[phrasal verb] Brit, informal + impolite : to rain hard
▪ Let's go, mate. It's going to piss down any minute.
▪ Let's go, mate. It's going to piss down any minute.
piss like a racehorse
US, informal + impolite : to urinate a large amount
piss off [phrasal verb] 1 Brit, informal + impolite : to go away
▪ Why don't you piss off? [=(US) buzz off] 2 piss (someone) off or piss off (someone) informal + impolite : to make (someone) very angry or annoyed
▪ Her superior attitude really pisses me off.
▪ Why don't you piss off? [=(US) buzz off]
▪ Her superior attitude really pisses me off.
piss yourself (laughing)
Brit, informal + impolite : to laugh very hard
▪ We pissed ourselves laughing during the movie.
▪ We pissed ourselves laughing during the movie.
