The phrase É uma grande mentira is Portuguese for it's a big lie, and Zeca Urubu's delivery turned it into a reusable reaction in Brazilian online culture. Instead of typing an accusation, creators drop the clip to let the character say it with far more drama. It circulates on soundboards and in edited videos alongside other classic Brazilian television catchphrases, valued because the meaning is clear even from the tone alone. Its staying power comes from that mix of nostalgia, exaggeration and instant recognisability in everyday arguments and jokes.