King Richard = Rich Harden
Los Kirk = Kirk Saarloos
Band Camp = Dan Johnson
Booby = Bobby Kielty
Bunnies = Bobby Crosby
Chewbobby = Bobby Crosby with a beard
ChoCoBoCro = Chocolate-covered Bobby Crosby
Crabcakes = contagious Bobby Crosby
Cupcakes = Joe Blanton
Hotcakes = Mark Kotsay
MaEl = Mark Ellis, Krypton-style
Magical little elf (see also "Man-candy") = Marco Scutaro
PORN! = Nick Swisher
Two-buck Chuck = Charles Thomas
Utter Hotness = anagram of Huston Street

Rival's Nicknames

Pico Rivera Angels of Westminster = Or you can basically insert any Southern California name in either position to make fun of the absurd name of the Anaheim Angels
Shrek = Bartolo Colon for his near identical look to the large, gaseous green ogre
Slingblade = John Lackey for his inability to keep his mouth closed and his resemblance to Billy Bob asking for some "french fried taters"
Spicoli = Jered Weaver for his remarkable likeness to the Ridgemont Times character of that name.
Colonel Saunders = Angels pitcher Joe Saunders.
Porn Stache = Garret Anderson for his mustache that looks transplanted from some 70s porn movie...this is interchangeable with Cop Stache
Common (non-statistical) acronyms

DLD = Daily Link Dump
FITZ = "Fearless In The Zone" (Zito's favorite)
LOOGY = Left-handed One Out Guy
NRAF = Non-Resident A's Fan (pronounced "EN-raf" by popular demand)
QOTM = Quote Of The Month

Applied Creativity (some of which refer to or create recurring themes)

Adventures of Diego Chavez (Apricot's comics)
Brokeback Stadium (by monkeyball)
ANtics (louismg's comics)
Poetic Interludes (by monkeyball)

Everything Else

<annika sorenstam venereal disease> = A "golf clap," according to monkeyball

AMPLE = More lewdness related to Bobby Crosby; also AMPLE CROTCHBY

Baking cookies = Off-day activity for Huston, but only a euphemism with Swisher.

Bonobos = Problem-solving primates; methods are not necessarily appropriate for AN.

Chavy's not Mexican enough = From a preseason diary about the WBC.  Now used as shorthand for "we love Chavy, and that guy who wrote that he isn't Mexican enough is, uh, wrong."  Similar to Chavy has no heart/guts/grit, but I can't find a link for the origin of that.

Cindi = AsGirl's explanation:  Cindi is a teenage girl who happens to be one of the many people living in Nico's head...  And please don't commit the cardinal sin of calling her CINDY.  It's CINDI, with a heart over the SECOND i, except for on Fridays.

Conkers = A British diversion.  Spawned "Lemurconkers," see below.

Cuss Jar = Fund-raising effort.

Doing the pound = Nobody really knows...

Face-Lick Girl = Some skank on "On the DL" website; I think McFood gave her the nickname.

Facials! = Off-day activity enjoyed by BFF (Best Friends Forever).

Going to Harvard/Pepperdine = Nudge nudge, wink wink.

Height/Shortness = How tall is Rashad, anyway?

Jack Wilson's hotness = Or something.

Jay Witasick in a tube top = Derived from people thinking californiagirl is Jay Witasick.

Jennifer's basement = Jennifer's explanation: This goes way back to the days of AN v.1. I don't remember what exactly started it, but I decided to build "Superplayer", a combination of the best parts of everyone in the AL. I kept the players locked in my basement until I could clone them. The basement was said to be guarded by Mo Vaughn and my granny. Things snowballed from there.

Klown <something> = Refers to any feat performed by Bobby Kielty (eg. Klown Power, Klobbering Klown), in homage to his Ronnie Mac persona.

kRaZeE bAnNiNg WaNd = Dangerous in the wrong hands.

Lemurconkers = A mutation of Apricot's "Conkers" story.

Man-candy = Usually Venezuelan, ie. Marco Scutaro.

Mr. Sabermetric Spock = WARNING: Halos Heaven link; later spawned "Sabermetric spork," see below.

Nacho Runs = Origin, and nifty commercial.

Pooping in salb918's pants = monkeyball's least nasty habit.

Puppies = Either of two functions:  a) Given to young children by Bobby Crosby so that he can seduce their mothers, or b) A tasty snack or casserole ingredient.

Sabermetric spork = Sabermetric Spock mutated beyond all recognition.

Santa = How Jennifer got banned from Macy's.

Tapirs = From a Valentine's Day article.

Unicorns = Sorry, you gotta read the whole thread to get the full effect.

Vibrational node = sal gives us too much information.

WE'RE ALL GONNA DIE!!! = Game thread cry of anguish when something goes wrong or people start sounding overly hysterical/negative.

What's your f'n problem? = Nothing. What's yours?

Y DOAN YOO GOE CHOO SUMM GUMM = An indictment of our culture of over-capitalized insults.