The bulge of fat/skin that protrudes atop and hangs over, the waistband on a woman wearing mom jeans. Similar to a muffin top, only approx 3 inches higher. Just below the boobs, creating a shelf for the boobs to rest upon.
Wow, look at the muffin top on that girl!! No, that isn't a muffin top, Tori, its a boob shelf. She is wearing mom jeans after all!!!!!!
by Creedem June 28, 2009
The semi-horizontal space created by the top-side of boobs; depth and slope determined by cup size and perkiness.
NOT Boob Shelf.
NOT Boob Shelf.
"When she eats chips, she gets a lot of crumbs on her boob shelf", or "When I sit in my recliner, my kitten likes to nap on my boob shelf."
by Chicadee February 18, 2011
“Wow! What kind of bra does she have on?” “oh she just has shelf boobs. they’re just like that they don’t hang. they’re perky.”
by jana73848262673&4 January 30, 2018