niichan 

The suffix used in Japanese names when referring to "Big Brother." This is usually used in the family by the younger siblings but, can also be used by younger friends outside the family.

Katsuro-niichan

Domo Niichan (Thank you Big Brother)

niichan by Cole Daniel December 11, 2007

Nichan sleeping bag 

When you stick both feet into a vagina and pull up until the vagina fully surrounds you in the shape of a sleeping bag

Bro #1: “I got so cold last night I went to my girlfriends house and used her as a nichan sleeping bag”
Bro #2: “same bro but I used my dog instead”

Nichan sleeping bag by Nichan December 10, 2019

Nïchan’s Sleeping bag 

When your stick both feet in a girls vagina and pull up on it like a small sleeping bag around your feet.

“Dude I did Nïchan’s sleeping bag on her last night, she loved it”

“Bro that’s so awesome!”

Nïchan’s Sleeping bag by Nichan March 12, 2019

nichani 

A huge family. One of the ancient famous wealthy families. They are recognised for their unity among the members. Very rich and classy. They are very big film makers

You seriously belong to the Nichani family? Wow.

nichani by Rezortia May 4, 2018

nichand the cool 

nichand the cool is the coolest inhabitant of tivertown. often seen chanting 'NICHAND! IM COOL!' and sporting £2 sunglasses. their isn't any records of data showing any facts on nichand and his origins, its just a well know fact that hes cool.

nichand the cool is so dreamy. i wish i were as cool as him.

nichand the cool by marvin barrs November 27, 2004

nii-chan 

Japanese for younger brother.

- Chan for cute, a term of endearment.

"Nii-chan, where did you put the potatoes?"

nii-chan by Alexandra M.G. March 7, 2008

nischant 

A chant of strange words and phrases.

That was a weird nischant.

nischant by Nashpool June 23, 2016