She has a lot of power. In that organisation she's a ... .
tough cookie
rotten apple
big cheese
couch potato
He must be the laziest person I've ever met. He's a total ... .
She sometimes gests out of control. She's a bit of a ... .
loose cannon
He ruined the company's reputation. He was a ... .
wet blanket
She broke her arm and still refused to give up. She's a ... .
He complains whenever we try to have fun. He's a bit of a ... .