A person (usually a woman) who goes through your phone while you're asleep or in another room.
Dude my girl went through my phone looking for sexts again - she's such a phone rifler!
by Biggadybong August 22, 2017
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Anyone who isn't new to Call Of Duty 4 and still uses the m16.

Especially the sandbagging son of a bitchs that have red tiger camo already
Ohh damn, that bitch rifler shot me in the ankle and i died.
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