The female gluteal fold that shows itself when wearing a pair of fine ass jorts. (Underass equivalent of the underboob).
Yo, me and my bros, Eddie, Wood, and Buddy were opening up a set around Budapest on independence day and popped from 6 to midnight from all the shelf milling about.
by Jesty25 August 24, 2015

<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.
<guy2>i know it just... sits up.
<guy1>call schmack we gotta tell him about this one.
by Grill March 13, 2005

by clickitdown December 6, 2006

by bobbie July 22, 2003

by staticsate November 17, 2009

A common photography pose in which a person places their hand beneath their chin, forming a sort of shelf for their head to rest on, in order to better frame their face. When such a pose is used for a selfie, the resulting image is called a "shelfie"
by flyingpenguin December 14, 2014
