Ok, so I totally just took these ideas from other greeks... But it's all good.
Crush Party
Italian Wedding
Toga
Graffitti
Anything For Money
Tye Die
Irish Wake Party/Paddy Murphy
Pajama Jam
Luau
Speghetti Feast
Jimmy Buffet bash
Grab a Date
Marriage/Divorce
Pimps/Hoes or Reverse Pimps/Hoes
Date Dash Scavenger Hunt
Masqerade
Eat Me/Lei Me
Mai Tai
Singeld Out
Sigma's Only (or Phi's Only, or Three's Company)
Karaoke
Casino Night
Paint Balling
Heaven/Hell
Loggers Ball
Mud Bowl
Hey Sister, Pick My Mister!
Slaughterhouse (haunted house)
Room's Parties
Handy Andy/Easy Ryder
Anything But A Cup
Letter Party
MILFs and Poolboys
Dirty Old Men and School Girls
Day Glo
Old South
Foam Party
Rolling thru the Decades->60's, 70's, 80's, early 90's (ie. grunge look)
80's Date Party
Murder Mystery
Indoor Croquet
Snow Soccer
Ice Skating
Outdoor sports (ie. softball, basketball, football, etc.)
Durby Days
Watermelon Bust
Greek Sings
Chili Cookoff/Hot Wings contest
Hayride
Deadman's Ball
School Days->set up different subjects in each room
Catholic School Days
GI Joe and Barbie
Lifecycle->babies to grannies
Corn Field Mazes
Slumber Parties
Bowling->Cosmic Bowling
Milton Bradley Olympics
Kegs and Eggs
Rave
White Trash Bash
$5 Prom
Mardi Gras
A.A. Party (hi, my name is.... and I'm an alcholic)
Rags to Riches
Paint Your Date
Beach Party
Redneck Ball
Playboy Mansion
Cinco de Mayo
Headbanger's Ball
Jungle Book
Cavemen
Gilligan's Island
Safe Sex Party->make letters on the wall outta condoms, have drinks like blowjob, sex on the beach, and anything that's "virgin"
Knights and Ladies
Animals and Hunters
Tattoo Party
Golf Mixer
Around the World
Cowboys and Indians
Fire and Ice
Bikers and Babes
Survivor
Revenge of the Nerds
Jail Break
Wet Western
SNL
EskiHoes
Eurotrash
Honeymoon on the Frontline
40's and Blunts
Lobster Fest
Renaissance Faire
Olympics Theme
Clam Bake
New York, New York
The Stars of Hollywood
Pirates
Aliens from Outter Space
Swing Dance
Pig Roast
Wet 'N Wild
Hotel Night
Putt-N-Puke
Boots and Boxers
Laser Tag
Woodstock Revival
Nut N Bolt
Cops/Robbers
Famous Couples
Desination Unknown->Mission Impossible theme
Ok, since I've flooded this thread now with this post... Basically, I just went through the social forum, and typed out every idea that they had in there!
Hope these help out some!
LITP~Beth