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1. slang To believe that something is true. My brother says that his latest scheme will make millions, but I'm not buying it. I told the teacher that my dog ate my homework, and she totally bought it! At least I think she did.
2. slang To die. When Ray got back last night, he told the boss that the informant bought it and won't be a problem anymore.
1. Suffer a severe reversal, as in If they can't raise the money in time, they'll buy it. [Slang; mid-1900s]
2. Be killed; die. For example, By the time we could get to the hospital, he had bought it. Originating during World War I as military slang, this term later was extended to peacetime forms of death. A later slang equivalent is buy the farm, dating from about 1950. For example, He'll soon buy the farm riding that motorcycle. According to J.E. Lighter, it alludes to training flights crashing in a farmer's field, causing the farmer to sue the government for damages sufficient to pay off the farm's mortgage. Since the pilot usually died in such a crash, he in effect bought the farm with his life.
3. Believe it; see buy something.
To be killed.