Brother in Japanese. Used mostly by little girls or children. PLEASE do not make this sexual its gross.
by Dekus_hair_23 October 04, 2021

"Good morning, Onii-chan"
by Odelia November 25, 2007

by definetlygoingtohell February 11, 2021

by SeNpAi~~~~ August 11, 2019

A strikingly sexy male friend, who all girls fawn over. A word used in replacement for the male friend's name whom you drool over so dearly. In Japanese, Onii-chan means older brother, and is a title of respect and in some cases, resentment. Onii-chan is a word commonly used during weaboos climaxing over hot characters in their favourite anime
by Lord Onii March 10, 2015

"Onii-chan! Close your eyes and don't look ;)"
by Secretsneverdie December 16, 2017
