lunch
do lunch meet for lunch. informal, chiefly North American
ladies who lunch: seelady.
liquid lunch: seeliquid.
lose your lunch vomit. informal, euphemistic
2005Sunday Times In March, Insanity-the Ride opened at the Stratosphere Hotel, offering a memorable way to lose your lunch. At a height of 906 ft, the ride uses centrifugal force to fling passengers 64 ft out over Sin City.
out to lunch: seeout.
there's no such thing as a free lunch you never get something for nothing; any benefit received has eventually to be paid for.
2013digbyHullabaloo But think what we would gain as a society in … getting the myth out of their head that there is such a thing as a free lunch.