1. An alternative spelling for Moby Dick, the famous whale.
2. An incorrect spelling of the name Moby, an AmericanDJ, singer-songwriter and musician.
3. One of the nicest, funniest guys that you could ever encounter. Also a great dancer.
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 newSteve Jobs biography
P3rv69: mobi or GTFO!