Cheesy/ˈtʃiːzi/ Definition 1 of 3Pro Tip 1/3Informal Usage Use 'cheesy' to describe things informally, especially in casual conversations with friends. Those plastic flowers look so cheesy! Pro Tip 2/3Negative Connotation 'Cheesy' often implies a negative judgment or tasteless style. He wore a cheesy glittery suit to the party. Pro Tip 3/3Mockery and Humor It can be used humorously to mock something for its lack of sophistication. The cheesy neon sign makes me laugh every time.