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1.
Sexbooking is the act of performing verbal sex over facebook. Wether this be through wall posts or comments, maybe even perhaps photos, one facebooker to another will talk in a sexaul or decieving way to the other.
Kim Kardashian and Reggie Bush often use sexbooking, while Reggie is away.
by bamfstat101 March 15, 2010
 
2.
A term used to refer to people having a sexually intimate and explicit conversation over Facebook Chat.
We were sex booking all night, he so nasty! ;)
by myanda September 28, 2011