piss
be (or go) on the piss be engaged in (or go on) a heavy drinking session. British
2000Alexei SayleBarcelona Plates They'd been on the piss the night before … so there are thumping hangovers to contend with.
not have a pot to piss in be very poor. North American
a piece of piss a very easy thing to do. British
2018Mark BillinghamThe Killing Habit 'Tom's got something he needs some help with.' 'It's a piece of piss,' Thorne said, turning to her. 'I swear.'
piss and vinegar aggressive energy.
piss and wind empty talk, bombast.
piss in someone's pocket try to ingratiate yourself with someone.
piss in the wind do something that is ineffective or a waste of time.
take the piss (out of) mock someone or something. British
2004Jockey Slut It's quite anti-establishment from an Irish point of view, the way it takes the piss out of the church.