shelf 

An ass big enough to hold belongings such as books

That lady doesn't need a backpack because she has a shelf.

shelf by mew May 19, 2003

Shelf 

Lame

You're so shelf.
So shelf!
Shelve your shelf self.

Shelf by G&F December 4, 2020

shelf 

An ass that utterly defies gravity

<guy1>damn look at the shelf on that one.
<guy2>i know it just... sits up.
<guy1>call schmack we gotta tell him about this one.

shelf by Grill March 13, 2005

shelf 

to put something in your ass

When he saw the polices steve decided to shelf his weed

shelf by bobbie July 22, 2003

shelf 

alternate way of taking drugs by inserting them into the anus

hey gareth, i'm going to swallow one pill and shelf the other one

shelf by staticsate November 17, 2009

Shelf 

A Southern Fairfield County teenage boy who has a black girl's booty.

Damn, the shelf almost knocked over the T.V.

Shelf by Fatty Mcgee December 9, 2004

shelf 

the area just above the penis which girls prefer shaved

kyle, john, and kenny's shaved shelf is much better than joe's non shaved rainforest. it feels better against my vag than the amazon.

shelf by Kenny Pontrelli March 8, 2009