Taking the piss

Specifically applied to contracting and building work means to price work or variations to work at far above market rates or expectations.

Old mate: "yer, me 20tonner is $500/HR dry hire"
Contract Admin: " Yeah...nah... yah taking the piss something chronic.... I'm paying $500/day and that's it"

taking a piss

two people simultaneously hit a gb

“hey dude, me and cali are taking a piss later tonight, wanna hang?”

Taking a piss off the Hollywood sign

Taking a piss off the Hollywood sign either is protesting the perfection wanted of people or physically urinating off said sign.

Man:”I went and got a drink.”
Man 2: “Oh no.”
Man: “Yeah I ended up Taking a piss off the Hollywood sign.”
Man 2: “Protesting?”
Man: “No... literally.”