Top definition
Similar to pics or GTFO, a phrase used jokingly as an ultimatum to new members of a community who mention books to upload a copy or to "get the **** out."
Cassandra1980: Hi guys, you all should read the new Steve Jobs biography
P3rv69: mobi or GTFO!

Cassandra1980: =|

P3rv69: :P
by RumpoleIsDead February 02, 2012
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