Daddileetit (DAAD - ul - eet - it) -
1.) noun. Any item of food left in the refrigerator for such a duration that its odor can be smelled from the next room.
2.) adjective. The bufuddling quality of being palatable to one's father against all common sense and human instinct, particularly as applied to items in an advance state of decay.
3.) An exclamation used a.) when, upon discovering advanced intrarefrigorial decay, one decides not to dispose of it, but rather to move it to the front of the fridge for use in hiding newer, fresher treats from the indiscriminate and all-consuming, bottomless pit that is one's father. b.) to discredit under one's breath any high brow claims a father may have to refined tastes for such items as wine and cheese.
I started saying this one around the house to my mother and now she tells everyone about it. People I don't know have used the word with me. Please feel free to use it in your own homes.

Intrarefrigorial - adjective. In the fridge. "I think this quiche has remained intrarefridgorial for too long. It was so good only last week, but now it looks like only daddileetit." So far even i have never spoken this one aloud. Perhaps it should remain that way, unspoken, like the very name of G0d. Which brings us to:

Goddamnit - noun. 1.) any unpleasant item for which the correct word can not be immediately retrieved from one's memory. 2.) any item, pleasant or otherwise, for which the inability to recall the correct word has caused frustration. "Where is the goddamnit???!! How one be expected to clean the toilet in this house when there is no goddamnit to clean it with??!!" This one comes in very handy on an almost daily basis and is commonly used among my group of friends, as is:

Priddy - a multi-purpose noun or adjective, to describe anything pleasant and dear, whether or not the correct word can be readily recalled. "Hi Priddy, how's your priddy? Priddier than yesterday I hope." Also good for generalized but heartfelt compliments that carry no hint of being creepily overly into someone. "I'd like you to meet my old friend Borchid, she's real priddy."

Task-tastic - adjective.
1.) the quality of one who completes any SF0 task particularly well/thoughtfully, or frequently pushes tasks to the limit. 2.) the quality of one who has completed many SF0 tasks. 3.) the quality of one who completes SF0 tasks quickly and frequently.
"Thanks for your vote Yellowbear, it means a lot coming from someone so tasktastic.'
"Jeeez, that Saint George Slaying the Dragon bit was totally tasktastic!"

Taskiastic - adjective.
1.) completing tasks with great enthusiasm.
"Wow, the Vixen does a new task every day! What a taskiastic noob!"

Please spread my lexical legacy throughout the land. Thanks.