shaking hands and ending a friendship or relationship cleanly on good terms; agreeing that the friendship or relationship is over and both parties agree to behave professionally in the future; both parties agreeing to remain amicable at the end of a friendship or relationship
She offered him a shake and break when it became clear they could no longer be friends, but he refused. He brooded for weeks while she went on with her life.
IMQueen: it was shake and break and adios
WiseWan: its better this way, hun
IMQueen: i know but it hurts
WiseWan: and it will for a while, but you'll be able to see him on the street without spazing now. who's next on your list?
Its simple. You shake it, but you do not break it. That means never take it to far. Don't take it the the extreme. Have a good time, but don't get in trouble. The act of shaking it means you shake it by not breaking it.