To use your BlackBerry phone to slap someone near you, preferably using the backside of the phone to hit the cheek of the offender.
John: "Dude, leave me alone or i'm gonna slapberry you."
Dude: "What the hell is slapberry? Bring it on."
(John slapberries Dude)
Dude: "Fuck, didn't see that coming."
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