The Big Dictionary of Dreams
by Martha ClarkeIf it is you who slaps someone else you are expressing frustration of your desires.
My Dream Interpretation
by myjellybeanTo dream that you slapped someone, suggests that you are harboring some deep anger and repressed rage.
New American Dream Dictionary
by Joan Seaman - Tom Philbin2. If slapped, one feels disrespected.
3. If the dreamer slaps someone, it indicates a disrespect toward that person or his/her ideas.