a situation or subject which causes a lot of people to become angry and upset.

His remarks on the role of women have stirred up a hornet's nest amongst feminists.

Animal cloning is a real hornet's nest.

• the shape of things to come
• the sharp end
• the shit hits the fan
• the shit out of
• the shit out of you
• the shoe is on the other foot
• the show must go on.
• the silent majority
• the silly season
• the silver screen
• the sixty-four-thousand-dollar question
• the sky's the limit
• the sky's the limit.
• the slings and arrows
• the slings and arrows of outrageous fortune
• the small hours
• the small print
• the smart money
• the smoke
• the socks off
• the socks off someone
• the soft sell
• the something of dreams
• the something of your dreams
• the spectre at the feast