*noun* Scientifically, The clouds that form new stars. When compared to a person, a stellar nebula can be defined as the state/stage someone is at before they change completely.
“He doesn’t talk to anyone anymore, he doesn’t go out or drink, he doesn’t even talk much anymore.”
“That’s because he’s in stellar nebula.”
“That’s because he’s in stellar nebula.”
by AnotherStarAway December 11, 2023

When a male or female doesn't shave themselves down there for a period of 1 year or more. The resulting growth is classified as a crotch nebula.
Man, I totally misread that one. She had a crotch nebula under there.
Sorry bro, I can't come grab a beer, I need to go shave my crotch nebula.
Sorry bro, I can't come grab a beer, I need to go shave my crotch nebula.
by Medicus007 September 23, 2016

The name of a YouTuber who makes amazing videos and who has a strong fanbase. He is a small YouTuber but still makes quality videos.
Person 1: Hey do you watch Nebula?
Person 2: No
Person 2: *Slaps* You NEED to watch Nebula right now!
Person 2: No
Person 2: *Slaps* You NEED to watch Nebula right now!
by Not Nebula May 7, 2021
