Shortened to chiigyu (チー牛) or “cheese beef,” this slang term, as Lately Japanese explains, is used to refer to people who live in rural areas, look very young, wear glasses, and don’t have much ambition. It’s a negative term to deride people who might not be
“Cheese beef bowl face” is a much worse word than it has been explained In Japan, “cheese beef bowl face” is a slang that is used to mock a person with developmental disabilities. But Nagoshi has not yet made an apology for these statements. “Some people” said they were uncomfortable and deleted only that part of the statement
SEGA's CCO Mr.Nagoshi made a fool of a boy who played Puyo Puyo(the game like Tetris) by saying "He's like a CheeGyu" in the live streaming. (CheeGyu is a Japanese discriminatory internet slang that refers to people with disabilities who are eating a cheese gyudon bowl alone.) Also, they cut the scene and broadcasting this as if nothing had happened. Really disgusting.