v. (1) to perform cunnilingus. (2) to perform cunnilingus on a Jewish woman, sometimes used specifically for an Ashkenazi (of Eastern European descent) Jewish woman. (3) also, more generally, to describe someone attracted to women, or attraction to (sometimes Ashkenazi) Jewish women
"Does Ari date non-Jewish women?"
"Nah, he's all about licking the lox."
"Girl, you blew him last time and he didn't reciprocate? All I can say is that tonight he'd better lick the lox."
"I was going to ask her out but then I realized that she was probably into licking the lox."