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English
Verb
fatten up
- (transitive) To cause to gain weight by means of feeding.
- My cat looks underweight, so I'll fatten him up with higher-calorie cat food.
- I visited my mother for a month, and she managed to fatten me up 20 pounds.
- (intransitive) To become fat or fatter by gaining weight.
- 1999, Colm Tóibín, The Blackwater Lightship, New York: Scribner, Chapter 8, p. 246,[1]
- ‘And isn’t Declan looking very thin?’ Madge said. ‘He’ll never get a wife if he doesn’t fatten up a bit.’