pull the other one(British English, e.g., Helen, mountain climbing? Pull the other one – she can't even climb a ladder without feeling sick! Рина Грант)
pitch a line(to tell a lie or only part of the truth in order to convince one of something or to avoid the consequences of something: Don't you dare pitch me a line about being at the library. I want to know exactly where you were tonight. • I suspect he's just pitching a line about where all that money came from.4uzhoj)
give someone a song and dance(about something; to offer a complicated excuse for something that is difficult to believe: Every time she is late she gives me a song and dance about oversleeping.4uzhoj)
