Help with understanding Chinese internetspeak

he2xu4

February 24, 2015, 02:44 PM posted in General Discussion

I'm going through the table in part 8 of this link and I'm having trouble understanding what some of these mean and/or how derived.

286---落伍 - Is the outdated meaning because of the Intel 286 processor?

yddz--忆典定制 - DIY memory recollection gift thing? DIY internet company?

DB--逗逼 ?