Communication
'Talk to the hand. I don't need advice from you.'
Talk to the hand means:
To say in an angry way that you don't want to listen to someone
'I'm planning to touch base with Becks when I'm in Manchester.'
Touch base means:
To communicate with someone you have not seen for some time to find out how they are, what is happening, etc.
'Sorry, I thought we were going to Paola's house first. We must have got our wires crossed.'
Get your wires crossed means:
To become confused as a result of miscommunication with someone.
'Can we change the subject? It's my day off and I don't want to talk shop.'
Talk shop means:
To talk about work.