choo-choo boi 

Automotive turbocharger. Most commonly a cheap chinese one. Frequently purchased off ebay for use in shit box LS swaps.

My shit box 5.3 lays rubber in any gear since i got them twin choo-choo boi's bolted up

choo-choo boi by HansomeNate February 4, 2019

Good boi 

A good doggo or catto who just wants sum food.

Boi, thats a good boi right there.

*gives happy doggo foods*

Good boi by Hacker shober August 28, 2018

High boi 

A really good youtuber who uploads good movie recaps while acting like an idiot while he explains the movie in the right logic.

Brad: "Hey have you heard of this really good youtuber called high boi?"
Jake: "Yeah, I have, he's really smart".

High boi by Da explainer July 19, 2021

Shark boi 

Sweet cinnamon roll, who loves someone who doesn't deserve him (bakuhoe). He also likes crocs

Shark boi is my favorite character

Shark boi by I_dont_even_know_anymore January 11, 2020

sad boi hours 

Hours between 1 AM to 5 AM in which a "Sad Boi" partakes in actions such as crying, and being emotional.

"It's almost 1 am, can't wait for sad boi hours."

sad boi hours by Ugandan Fedora August 2, 2017

mah boi 

"MAH BOI" is what King Harkinian calls Link, in "Zelda CD-i: The Faces of Evil"

Link: "Gee, it sure is boring around here..."
The King: "MAH BOI, this peace is what all true warriors strive for!"
Link: "I just wonder what Ganon's up to!"

mah boi by Monketron February 8, 2010

fupp boi 

A fake and overall scumbag of society.

Ryan is such a fupp boi for hanging with everyone he says he hates.

fupp boi by Alfaro1234 August 6, 2016