1. To talk nonsense;
Я хотел сказать, что вы, обвинявшие меня в некомпетентности, спороли хуйню, и что я был прав, а вы — нет.
I wanted to say that you who accused me of incompetence were bullshitting and that I was right and you were wrong.
(falsecolonel @ ЖЖ, 06/2010)
2. to do something different from what was asked.