Verb. The act of crying to, for, over, or because of the band Fall Out Boy. The occurrence of sobbing uncontrollably to FOB's music was happening enough that it deserved it's own word. It is not uncommon to 'fob', especially when seeing FOB live.
Person 1: Any Fall Out Boy song is great to make out to, except for 'What a Catch, Donnie', because no one wants to make out while crying.
Person 2: You mean no one wants to make out while fobbing? Yeah, no kidding.
To spend excessive time on a computer surfing the net or otherwise investigating something of little consequence, just to satisfy your curiosity. It carries the connotation of masturbation. (used at MIT in the '70s)
To speak loudly and passionately in your own eastern Asian language with 2 or more people who speak that same language. For example, "Those C-fobs are obnoxiously fobbing around in the library."