A sex move. You insert cannabis oil into your rectum and wait until it gets you high. Next, you fart the remaining oil out onto your partner's face or into their mouth.
"Dude, my ladyfriend gave me a Hot Neptune last night!"
"That's disgusting, why are you telling me this?"
"That's disgusting, why are you telling me this?"
by Smaff Petress August 26, 2021

by Callmemabye2234 July 25, 2014

The quality of acting in a way that feels unnatural, inhuman or as if someone were not of this world.
“She is weird. She follows neptunism”
“Why did he do that? Neptunism”
“Why did he do that? Neptunism”
by Baweee August 30, 2025

I'm not going to use hot neptune in a sentence. Use your imagination for a scenario when this would be used.
by anonymous December 20, 2024

I'm not going to use hot neptune in a sentence. Use your imagination for a scenario when this would be used.
by anonymous December 20, 2024

A fucking idiot that has no friends
by Neptunei6940 December 24, 2021

when you and your niggas smoking that phat blunt and you didn’t tap out bc/ you ain’t wanna look like a pussy and y’all get done smoking and your not baked, your Neptuned
by Zooted nation September 18, 2018
