"Wel3aneh" literally means "she is on fire", but is an expression used to mean "the situation is rocking, or is on fire", typically used to describe a night scene in a nightclub in Beirut.
"Far 7aleeb En Nawar" is an expression which literally translates to "the milk of the gypsies has boiled", lebanese slang. Metaphorically it is used to describe a person or a situation that has become upset, or got tenser.
Sample conversation:
Person 1: "have you done this thing i asked you to do a week ago?"
Person 2: "oh no, i completely forgot"
Person 1: "you better do it today abel [before] ma yetla3 7aleeb en nawar"
