A few post definitions

[trof]

posthole: where posts go when they don't turn up in a search
post mortem: a post that dies with no replies (no extra charge for the poetry)
postwar: aka flame war
posthaste: rapidly written post. usually identified by all the typos.
postmodern: usually about some kind of music genre only two people on the board ever heard of
postpartum: one of those "farewell, I'm leaving" threads
postal: a really severe flame war. usually gets locked.
postmenapausal: only older participants in the thread

Please feel free to add your own.

[Speck Tater]

1. Posterior - what you sit on while reading and posting. n/t

[trof]

3. very GOOD, fiziwig.

[Parrcrow]

2. post coital

a locked sex thread.

[bigwillq]

14. Cute. (nt)

[Fridays Child]

4. Posterior

Post written by someone talking out his butt.

[matcom]

15. i resemble that!

:D

[Speck Tater]

5. Post graduate...

Someone who has gone beyond just posting and is out there in the community doing something positive about the situation.

[Speck Tater]

6. Postpone. The post you never got around to writing.

[Fridays Child]

7. post meridian

night poster

[Teddy_Salad]

8. Post Natal

A post concerning a certain South African province.

[DAGDA56]

9. Post Time...

...the moment you've stopped reading to start writing.

[Speck Tater]

10. Postulant. In training to be a real poster. and...

Post nasal. A post that really stinks.
Post haste. A post you really should have prooof red a bit more before hitting "Post Message".
Post Toasties. Yet another post declaring that shrub is toast.

[Fridays Child]

11. Emily Post

Someone whose posts can be sung to the tune of "The Yellow Rose of Texas."

[Kolesar]

12. Posthumous: GOP nominee for Governor of Michigan, was buried

What a great name for a candidate! Posthumous

[UrbScotty]

19. It's spelled Posthumus (with just one O)

But still...

I'm glad he lost. I love Jennifer Granholm.

[trof]

24. Not to be confused with posthummus.

Which is after all the hummus us gone.
;-)

[Fridays Child]

13. Postage

What old posts die of.

[Fridays Child]

16. post hoc ergo propter hoc

A post which was written because of the immediately preceding post.

[moof]

17. Postage due

A post where the person mentions a link but forgets to include it.

[teach1st]

18. Postdate

A romantic connection initiated through the admiration of each others' posts on DU.

[StaggerLee]

20. Hitching Post

A post that is so lively you stick around for hours or even days.

[UrbScotty]

21. Post-It Note

A note that reminds you to post something.

[mourningdove92]

22. Post Office

what I am doing at work when I'm supposed to be working but am DUing instead

[trof]

23. Oh we are a witty bunch.

chuff chuff

[sundancekid]

25. POSTULATE ... when you don't post fast enough

POSTURE - where they send posting cows out to ...

[moof]

26. apostrophe

a trophy post usually on the occasion of each thousand posts.

[moof]

27. mile post = usually posted by newyawker99