The flap of skin and/or fat on the lower abdomen that is made more prominent by a c-section scar; section of skin that is removed during a tummy tuck
Ugh, I can’t wear that dress you can totally see my mom shelf.
When you put a dildo on a shelf and then open and close it over and over again to fuck your own ass
"What were you doing last night?"
"Self-Shelf"
"Aw Peter, that's nasty"
The flat horizontal portion of an European, Eastern European and Middle Eastern style commode, which function is to provide a surface in which fecal matter has a place to rest. This is so the distributor of said feces can inspect the item to gain insight on the health of his, her, they, them or otherwise's internal organs and fecal matter produciton efficiency.
I sure am thankful that these restrooms have a sufficient 'inspection shelf' for me to lay my log upon. If they didn't, I wouldn't have been able to determine that I did eat that much corn last night. I surely don't recall consuming that much.
Cleavage that is particularly notorious for picking up crumbs. This often happens if you wear open tops, or have a larger shelf to work with.
Jodie checked her bra only to find half of that oreo she lost earlier — thanks, crumb shelf!
A low end illegal bar that is run in one of your friends basements that features cheap alcohol and (usually) cold beer where people pregame and postgame actual bars
The Bottom Shelf is the best bar in town
When someone removes the top lid of a toilet and shits into the compartment where the chain and lever are located and then puts the lid back on.
I could figure out where that smell in the bathroom was coming from until I lifted the top off the back of the toilet and noticed someone had going top shelf.
(v) the act of stretching your foreskin over top of a food (example: grape) and then eating it after
How many times do I have to tell you to stop shelfing without waiting a week without showering first.