the in thing

“I saw something that said that a gift of stock is ‘the in thing’ this year,” she wrote.

"Everyone is insisting on green beer. It's the 'in thing' this year."

“The ‘in’ thing right now is Black Lives Matter and equal justice,” Mr. Corina said.

“Now everybody’s studying Daf Yomi,” he said, calling it the “in thing.”

She says she had no idea having twins right now was “such the ‘in’ thing.”