"El Ma7all 3am Bi Sawfir": Lebanese Slang, literally means "the shop (or place) is whistling". This metaphorically means "the shop (or place) is empty".
"Khhalleh Ma3ik Sha2fit May La2anno el 7elo Bi Dabbi2": Lebanese Slang, literally means "Keep a damp piece of cloth because sweets are sticky", is a form of a vulgar compliment addressed to a woman, meaning you are very beatiful, or you are as sweet as sugar [refer to "Mzawwaz"]