fat up
phrasal verbPart offat
fat up — phrasal verb
1. To make an animal heavier by feeding it a lot, usually before selling or eating
1.phrasal verb
Definition
To make an animal heavier by feeding it a lot, usually before selling or eating it.
Example
The farmer fat up the turkeys with special feed for the Christmas market.
In the weeks before the festival, families would fat up a goat for the celebration dinner.