Anglais ⇄ Latin serbe Russe

piss on someone's chips contraintes
	⇒ rain on someone's parade
inform.	портить настроение (to really upset, irritate, or disappoint someone; p rimarily heard in the U.S.: Sorry to piss on your chips, but you won't get any credits for the class unless you attend every single lecture.); испортить настроение (to really upset, irritate, or disappoint someone; p rimarily heard in the U.S.: "Watch out, the boss is on a foul mood today." "Wow, I wonder who pissed on his chips?")
piss on one's chips
argot.	лохануться (to really mess something up for yourself (rather than for someone else) with an unnecessary and/or stupid act)
argot., trad.	испортить собственное положение глупыми действиями