Adj. Used to describe someone who often cuevos others.
Person 1: Hey (friend/family member), you will not believe the breathtaking view from my hotel room, I can even smell the water from here.
Person 2: O that's nice. Well we just came back from our vacation and our hotel was rated number 1 by traveler's magazine.
Person 1: Why do you always have to be so cuervo?
Example B Person 2 calls Person 1
Person 1: Hey John, I can't really talk, I am about to go to Ruth Chris's Steakhouse.
Person 2: O that's nice, I just came back from lunch at Morton's steakhouse.
Person 1: Why do you always have to cuervo me?
My biggest pet peeve are people who are cuervo.