A meeting where various parties bring their different pipes, bubblers, and bongs, and all gather around smoking out of the different pieces

when you get parts for something piece by piece, like a jigaboo would

When you and your friends are smoking some weed, and you can't get the lighter to light, because of wind, or whatever it may be. You tell them. Gather around the campfire, and they cover the flame with the hands.

You can also just say:
Gather
Campfire

A woman—typically between the ages of 25-55—that hangs corny, generic signs throughout her house that read "GATHER" or "BLESS THIS HOUSE" or "LOVE NEVER FAILS" etc. These signs are procured from stores like Kirkland's, Bed Bath & Beyond, and Target.

This woman is whiter than ranch dressing, most likely a wino, and lives in the cookie-cutter suburbs but will tell anyone she meets that she lives in INSERT CLOSEST CITY HERE.

A more biblical term for a church service. At churches with “gatherings”, you can get in trouble for using the wrong term.

The act or process of gathering porn for your porn collection. This is a practice used by hardcore porn fans.

A place where hoarders and/or procrastinators put things like dirty dishes, books or other items.