shubunku 

A jackass or someone extremely stupid.

Dude stop being so mean, you're being a Shubunku!

Stop being such a Shubunku.. that answer makes no sense.

shubunku by robot7boy August 29, 2016

shumbunkulous 

that feeling when you are not sure what you are feeling

Person 1: "Hey pal, how you feeling?"
Person 2: "I am feeling shumbunkulous!"

shumbunkulous by Metvor April 12, 2023

Shubunkins 

The breasts of an attractive female.

"Dude, look at her shubunkins!"

Shubunkins by Matthew Flame March 8, 2010