The very bottom of the oven. Generally only used when all other shelves are already in use.
Phil: Aww man, the lasagne has taken up all the space in the oven. There's no room for the garlic bread.

Ralph: Don't worry bro, just use nature's shelf.
by Garden14 January 18, 2011
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Great or best, highest in quality and value.
The really top-shelf stores are all on Rodeo Drive.
by Erin Montgomery May 1, 2010
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A term to describe a large posterior and hips of an obese person, giving the effect of a shelf.
Bloody hell! You could rest a pair of candle sticks on that arse shelf!
by bennybumflaps February 10, 2007
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Food Shelf: After (or during) the meal, you find a nice little supply of crumbs and food items resting on your bosom! Knowing it's likely that everyone else at the table has been aware of your crumb(y) situation, you decide to have a little fun at your own expense and exclaim you are saving what's on your food shelf for a snack later!

This comment has saved me embarrassment many times over the years, as I have a nice sized bust line and all crumbs are safely stored there until dinner is over!
Bezzy: Another great meal my friend! Thank you for having me over for dinner.
Friend: You're always welcome here, you know that!

Magically, all eyes are diverted to my chest where quite a pile of crumbs has been stored up...

As I skillfully begin gathering up my stash, I proclaim, "food shelf!" and explain that I'll just save them up for another meal later!

Laughter.
by Bezzy March 31, 2013
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A very dedicated group of people, who sat on the cobra's "shelf", staying up on stickam all night to watch cobra starship on the cobrahcam while they were making music. She kids participated in Taco Tuesday, and watched Ryland pwn at WOW. Shelf kids know how to hold ammusing conversations without putting up with spammers.
We the shelf kids have been sitting on this shelf for way too long ! We want to watch another jam session.
by Lindsey598 January 22, 2009
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A butt that sticks out so much you could use it for a shelf.
She had such a shelf-ass she could carry the groceries in without using her hands.
by Scott Henry March 6, 2008
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The small of a woman's back. Short for cum-shelf, because it's where a guy will often bust a nut when he's doing it doggie style in a porn flick, usually poolside.

Closely related shelf-art
Dude I busted a nut on her shelf!
by CB January 13, 2005
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