In response to one of my recent dreams, Richard wrote:
I hereby decree that, henceforth, the expression “leaking blue liquid” shall be mean “I did something wrong, but I don’t know what it is.”
Examples:

“I seem to have leaked blue liquid in the boss’ office.”
“I’ve been trying to clean blue liquid out of my computer all day, [...]

Seen on a forum:  [someone] might get a wild hair up their alien probe-hole

grotendous /gr-tnds/, adjective, grotesque, horrendous. Used for extreme emphasis. Adverb: grotendously.
Cory Doctorow brought the adverb form to my attention with a posting on Boing Boing:
What’s weird to me is how the collective output of all that great work by great people produces such lousy outcomes — DRM-crippled OSes like Vista, stupid products like [...]

From a meeting at work:
A jumble of PowerPoint slides

To my rant on the CBS evolution survey, Tsar Chasm posted a response that is a snowclone, of the form: X make(s) baby Y cry.
All your snowclone are belong to us!
I, for one, welcome our new snowclone overlords.