someone who leaves the markings of a piranha on another's neck. These markings are black and blue, last two weeks and are said to be given out of strong sexual attraction.
by marshmellows April 12, 2007

neck faceis a anitomical defect where someones face head turn into neck because their neck is to short .it also gives annotations to person is also a derel defected, retard and used to cut them down. usualy they have razor bumps and neck face. which make them need to shut up if they insult people . to cut them down. short neck to face. low intellegence
by artifiial nigga March 17, 2017

A neck boi is someone that looks weird, acts dumb and doesn’t know it. It’s like the two words in one meaning
Bro 1: Yo! You see that girl over there? She put twigs in her hair!!
Bro 2: She’s a neck boi! Hahaha
Bro 1 & 2:hahahaha
Bro 2: She’s a neck boi! Hahaha
Bro 1 & 2:hahahaha
by RealDittoPursuing July 31, 2018

by jneckhater February 19, 2010

by Blackinafrica21 October 14, 2018

by REALLY HOT GUY June 9, 2018
