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A guy who tries to be everyone's best friend but ends up being a total sore loser. He's jealous as hell and you can't get him off your back once he starts talking.
Gabino was happy when I won the game, but when I said I'd take him out for pizza, he turned into a total grumpy old man.
He tried to be friends with everyone in the class, but when someone beat him at math, he yelled at the teacher.
Gabino got jealous when I got a better grade than him and started bragging about his fake trophy.