Niphead 

A cat who is overly reliant on the effects of cat nip to function on a day to day basis.

Wow, Bo and Charlie are constantly getting high on nip... damn nipheads.

Niphead by RisleyP October 14, 2014

Nichead 

A person (typically a high schooler) that is addicted to a nicotine substance, usually Juuls and vapes.

Freshman: "Yo can I hit that Juul real quick?"
Person: "Bro, you're such a nichead!"

Nichead by George W. Bush Is Rad February 15, 2019

nithead 

A girl who knowingly has an extreme lice infestation and refuses to get rid of them

"Lydia is such a nithead
lice head lice scratch itchy eggs human fleas breeding ground infestation itchy scalp

nithead by lolkidim12 April 17, 2015

nibhead 

1.A nibhead is a word one could use to describe someone of either gender, including those which are not 100% sure. It is an alternative word for the offensive term knobhead or nobhead when one wishes to insult said person, without being overly offensive.
2.The nib of a pen

My Grandma is such a nibhead!

nibhead by lemon+11 May 28, 2008

nigheadin 

When someone catches an attitude thus making them look like an upset black bitch who just found out jamal cheated with boquisha. Moving there head back and forth and alllll around. Always way over dramatic like, of course.

Stop nigheadin, its gettin a bit outta control.

nigheadin by awesomeairdawg February 20, 2011

naphead 

A naphead is often someone who likes to create and modify computer software or computer hardware, including computer programming, administration, and security-related items.

"Naphead just hacked you"

naphead by Ryan Naphead March 28, 2007

Nithead 

A person lacking in logical cognitive function.

Luke is such a nithead.

Nithead by CastiCola June 1, 2018