lose (one's) lunch

lose (one's) lunch

slang To vomit. I felt like I was going to lose my lunch from seasickness out on that boat.
See also: lose, lunch
Farlex Dictionary of Idioms.

lose one's lunch

Vomit, as in When Anne saw the wound, she thought she'd lose her lunch. This expression does not usually refer to a specific meal and probably survives because of alliteration. [Colloquial; c. 1940]
See also: lose, lunch
The American Heritage® Dictionary of Idioms by Christine Ammer.

lose your lunch

vomit. informal euphemistic
2005 Sunday 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.
See also: lose, lunch
Farlex Partner Idioms Dictionary

lose one’s lunch

verb
See blow one’s lunch
See also: lose, lunch
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • lose one’s lunch
  • lose one's lunch
  • lose your lunch
  • lose (one's) v-card
  • lose ground to (someone or something)
  • lose it
  • lose it, to
  • lose face
  • lose face, to
  • lose ground