Words in New Meaning 吃

吃, eat.

吃货，someone who likes to eat very much. 
example: 他是个吃货，特爱吃，什么都吃。

吃xx豆腐，sexual flirt or touch somebody up.   
example: 台湾有个电视女主持人经常吃男嘉宾的豆腐。