Skip to main content
In Roblox, a obstacle course.
In Minecraft, obby is short for obsidian, commonly used on faction servers.
Roblox:

Player1: Hey kid, do you want to play a obby?

Noob: N0 thx m8 i b4d at 0🅱🅱ys xD lit saveage famm

Minecraft:

Player1: Anybody selling some obby? I need to build a new base.

Player2: I'll sell ya a stack of obby for 50,000.
obby by LitBot May 7, 2018
obby mug front
Get the obby mug.
See more merch
Short for obstacle course. Often used on the website "ROBLOX".
lets got to that obby
obby by anotherusername1111 February 13, 2010
For Roblox: Obstacle course
You: Hey wanna go to the easiest obby?
Noob: What's an obby?
obby by Octus The Robot May 24, 2011
Obby= o bby= oh baby.
Pronounced: aw bee.

See:oh baby,babeh.
Guy: *smacks ass*
Girl: obby!
obby by Jay :3 June 23, 2008
Hey im gonna go mine obby for our big grief on infinium
obby by SnowballGaming November 16, 2011
A klepto thief who uses piss vapour to distract you from when he steals shit.
You: Obby, you smell like piss. Hey! Where the heck is my black marker?
Obby by Bahati September 14, 2007
Slang for dickhead, loser, idiot.
Man, that skank is acting obby-ish.
Obby by SlappyMcGee August 28, 2006