(v.) = grow + fat ; fatten ; put on + weight ; gain + weight ; be fattening. Ex: Having grown fat on federal grants, some libraries have not been able to adjust to the recent lean years of reduced or withdrawn federal funds. Ex: They attacked their enemies as 'corrupt scavengers who fattened themselves on the lifeblood of the commonwealth'. Ex: She can eat like a horse and never put on weight. Ex: Obesity is a well known problem, however some people really want and need to gain weight. Ex: Why are all the good things in life either illegal, fattening or immoral?. ---- * ser algo que engorda = be fattening.