the last in a series of unpleasant events which finally makes you feel that you cannot continue to accept a bad situation.

Losing my job was bad enough but having the relationship end like that was the straw that broke the camel's back.

• be sick and tired of
• be sick and tired of doing something
• be sick and tired of something
• beside
• beside the point
• beside yourself
• be sitting in the catbird seat
• be sitting on a goldmine
• be sitting on tail
• be sitting on your tail
• be sitting pretty
• be six feet under
• be skating on thin ice
• be skin and bone
• be skin and bones
• be slow off the mark
• be slow on the draw
• be slow on the uptake
• be sneezed at
• be sniffed at
• be snowed under
• be soaked to the skin
• be soft on
• be soft on someone
• be sold a pup