pig out 大吃大喝，狼吞虎咽，大吃特吃，吃得过量

【例句】
Spring Festival is a time when people often pig out.
春节期间人们通常大吃特吃。

We pigged out on all the delicious cakes and pastries.
我们狼吞虎咽地吃着各种可口的蛋糕和点心。