ok.... im confused with inb4... i know its saying "in before".... but im confused..

ok example..

there was a thread about things that were all hype no substance... at the bottom of the thread he wrote inb4 rape....

does this mean that he is adding rape before his own post or he is putting his post before rape and basically saying dont say it.. ot something... confused..
Inb4 *reported*
Quote by Teh Forest King
A kid took a fetal pig during pig dissection, put a napkin on it as a cape, wrote "super pig" on it, then threw it out the window onto the greenhouse below, yelling "super pig, blast off!". He failed the pig lab