An Arabic word created by a group of friends, which nobody can understand except them. It originally means a slap, but in this case it refers to masterbation. It is also a name for two secret groups in BBM and FB.
It has been along day, am heading home to esfa3 "masterbate".
Anas just did el saf3a el aleema jedan !!.
brb guys, Saf3a ! time.