A fork of Rural Dictionary
Nipple Inspection (NI)--the inspection or observation of nipples with or without the consent of the viewed.
(1) Creeper 1: Dood I totally hit level 99 NI today!
(1) Creeper 2: Gratz bro!
(2) Knight: Ni! Ni!
(2) King Arthur: It was horrible!
Short for the term "penis." Originated in Oklahoma along with the shortened term "Za." Nis may be used in any situation including confrontations, celebrations, and general roasts.
"Hey man, you wanna go get some za?"
"Say "za" again and I'll punch you square in your nis!"