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When you take out your phone (preferibly a flip phone) and smack a bitch
Anthony: If that bitch dosent shut up I am going to phone smack her
Quenten: I'll jack her shit after
by Deshawn Thomas January 27, 2006
The act of randomly smacking someone in the face with your cellphone.
You my friend, have just been phonesmacked.
by Miaed April 16, 2011