7emil el Sellom bel 3ard - حامل السلم بالعرض : Lebanese Slang, of unknown origin. Meaning : "Holding the ladder laterally". This slang is used to refer to an over-complication of a situation.
"Ma Btefham" or "Ma Byefham" literally means she or he does not understand, but is used metaphorically to express admiration, fondness, or liking something i.e. "akalet sandwich halloom ma byefham" which means "i ate a very tasty Halloomi sandwich"