As we've been divagating right from the start, I feel I can tell you that my mind has wandered from dob to DOB to DOP to dap (which is rather apropos, dap having the sense of skipping a stone off the surface of a lake). One spot where I encountered undertow was the acronym idea, as pertains to these forums (fora?) DOB doesn't do much for me (Disambiguation of Bumf?) but DOP....

Daily Obnoxious Post
Difference of Perception
Department of Pleonasm

-tsuwm
DOP Dept.
Iowa City, IA