DH- dear husband?
SS- step son
LO- Little one?
TTC- trying to conceive
BF- breast fed
MIL/FIL- mother in law, father in law
Seriously, the list is endless. Here's what my first sentence would read like in mommy forum language.
"I've joined a few OMN- and have come across some fantastic FBs in the process- but the AL is OOC."
I find this whole element of the forums mildly amusing.