Shihai 

Shihai lad is a Canadian who only plays shitty fps games and club penguin. Shihai lad also isn't funny at all.

That's hilarious and you're really good at games, you're definitely not Shihai

Shihai by Smurf Anus April 16, 2019

shimaidon Futago

shimaidon is genre in which someone is able to get their way with two sisters. Futago means literally twins, Shimadidon futago it's Shimaidon with exclusive twins

Step-sister is bland, the real thing is shimaidon Futago. Two piece of meat from the cow

shimaidon Futago by Goliathz February 10, 2021

Shinai 

A practice weapon for sword-based martial arts. Thought to be relatively harmless, but when used with even a moderate amount of accuracy and force may be used to break bones.

I can't find anyone to spar with me, the last time i used my shinai I broke someone's wrist.

Shinai by psivamp February 2, 2005

shimaidon

A situation commonly found in pornography in which someone is able to get their way with two sisters.

Dude, the Olsen twins are my dream shimaidon

shimaidon by PavelBeschieru January 18, 2019

Shihiccum 

When you shit, hiccup, and cum at the same time. Your life will forever be downhill from this moment.

Barlonix: Woah, what in tarnation just happened?
Reagman: I think Elliot just shihiccumed!

**everyone runs to the scene**

G-spot(and crowd) embrace in joy at the scene of the infamous shihiccum

G-spot: Elliot's life will never be the same!

**Everyone silently agrees**

Shihiccum by HHquarters May 8, 2023

shinai 

Bamboo sword used in Kendo.

shinai by Samurai Katsu September 3, 2003

shinai 

bamboo stick; used mainly by in-training students of certain arts/styles. It can shatter easily if used to strike hard.Also referred to as a Kendo stick and Singapore cane.

My shinai broke after training.

shinai by anonymous June 25, 2003