TRUMP UP is a phrase that means to increase or exaggerate something. The crossword solutions for this phrase are FORGE (5 letters), FABRICATE (9 letters), and RIG (3 letters). FORGE means to create something by shaping metal or other materials, while FABRICATE means to make something from raw materials. RIG is a slang term that means to manipulate something in an unfair or dishonest way. All three words can be used to describe the act of TRUMP UP, which is to increase or exaggerate something.