1 definition by OchoOcho

To dissociate yourself from someone on a social network. This can be achieved by unfriending someone on Facebook, unfollowing someone on Twitter, or deleting your account so that the individual no longer appears on your Friend or Follow list.
My ex-girlfriend was being mad annoying by constantly messaging me so I NUMBER FIVEd her.
by OchoOcho August 14, 2011
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