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?