Shelfing

When a person comes up behind a female and places their arms around them in a hug, the arms are placed under the bosom and are squeeze so the breasts bounce up a bit.

The dirty old man was shelfing his younger friend.

by H. D. Mort March 25, 2021

shelf is so cool

Used when describing the app Shelf

"Have you installed Shelf"
"Yeah, Shelf is so cool"

by tttaaaarr July 26, 2023

Self-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"

by ShinyBauble618 December 28, 2023

the bottom 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

by BigPete623 August 5, 2019

hobo shelf

The crook in your wrist made when you flex your thumb. It allows for a secure place for crack-heads and whack ass bitches to do a line on the fly.

Ellee: Aye you want a line?
Richard: Yeah but I'm not doing one of your crusty butt cheeks, I just take it off the hobo shelf.

by Couldn't Think of a Pseudonym February 24, 2020

top shelf

Wen a brudda kills da leada of nodda rival gang, hes on da top shailf

Da*n look at dat, hes on da top shelf

by Jinsengsta June 30, 2004

crumb shelf

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!

by ogmack122 June 29, 2017