"Mesh Bayes Temma Ella Emma" - Lebanese Slang - it means no one has ever kissed her lips other than her mom. It is usually used between guys to describe how prude a girl is.
Sample conversation:
Person 1: "wow man, look at this girl, she is very hot" Person 2: "no man , i know this girl, mesh bayes temma ella emma!"
"Mkhallfo w Nessee?" is an expression which literally means "Did I give birth to him and forget all about him?", metaphorically, it is a Lebanese slang expression, which metaphorically means "I do not have to do him any favors".
Sample conversation:
Person 1: "why did you not help him pass his exam"
Person 2: "i barely know the guy, shoo mkhallfo w nessee ana?"