You ain't got balls! (laysa ladayka ash-shajaa'a al-kaafiya!)

Your tool is small! (yaa saghiir l-quadiib!)

Fatty! (yaa samiin!) (Being moderately "fat" is not viewed negatively in the Arab world. On the contrary, it is a sign that one is happy, well off, and well-looked after.)

I'm hung over. (anaa thamil.)

I'm stoned. (anaa sakraan.)

Shut up! (uskut!)

from MAKING OUT IN ARABIC, by Fethi Mansouri.