This song needs a lot of explanation. First of all, a mihbaj is used to hand-grind coffee in Arabic countries. However, it is also used as a percussion instrument, so it is perfect for a song. This is what it looks like

The context of this song seems maybe to be a girl or a boy talking to an older brother or friend (depending) named Hamayed and telling him to make coffee and get ready to accept some visitors to the village, because maybe the boy (or girl) he or she loves is arriving. Making coffee or tea for a guest upon there arrival is a very common custom in Arab countries.
Sorry I couldn't find streaming audio for the Nawal original online, so this version is Shahd Barmada
المتصفح الذي لديك لايدعم مشغل الأغاني. دبر حالك و روح نزل البرنامج أو .<A HREF="http://www.6rbmp3.net/download.php?id=7654">اضغط هنا</A> لسماع الأغنية.