Pizda

pizda in Russian has an very flexible meaning, which most likely comes to:

-pussy
-you're dead (tebe pizda)
-situation as in very fucked up situation.

It is a part of Russian mat, which means that you will not see this word in books movies.etc

As commonly as you will hear it (since Russian mat is slang)

tebe pizda_ you're dead
PIzdaaaa- used to show emotions, reactione to something fucked up
u neyo ochen bolshaya pizda- original meaning pussy