Heidi Date 

When a girl leads you on in believing that you are on a first date but strings you along as friends in order to get more free dinner and drinks

Mike went on a date with this girl thinking she was the one. She turned out to be a Heidi Date after putting him in the friend zone when she finished the lobster.

Heidi Date by will bitten January 23, 2017

Humidititties 

Underboob sweat girls get when it's hot and humid. (Also happens to guys with man boobs, or Moobs.)

Omg I have such bad humidititties, it's so hot out, Fuck my life.

Humidititties by Boston y Amor August 25, 2016

Heidi Kleindienst

A serious but kind-hearted German-Argentine who takes on a crude character online for entertainment. Privately, a powerful athlete and savant. But mostly known for making contradictions and gaslighting.

I can't tell if Heidi Kleindienst is being serious or if it's all a plot to stir me up.

Heidi Kleindienst by OhHandleShandle June 8, 2019

Heidi Montag 

1. A dead-behind-the-eyes girl that loves to ditch all her friends for guys named Spencer that sport "creepy, flesh colored beards".
2. Someone who has tried their hand at acting and singing...and failed miserably at both.
3. A person who is a sad excuse for a celebrity.

1. "Hi, im Heidi Montag...My boyfriend/Ex boyfriend/Fiance/Only Friend/Verbal abuser/Life size version of a "Ken Doll", Spencer Pratt and i are Engaged! oh....wait, we're not..wait we are. OK. we're not."
2. "Im heidi Montag and my single is only downloaded by people who want to roll on the floor laughing or bulemics who need to listen to something to help them throw up."
3. "Im Heidi Montag and my boyfriend and i take pictures of ourselves and sell them to US magazine to pay our rent."

Heidi Montag by MissObvious August 4, 2008

Heidi Klum 

Model, actress, and television host who possesses the single most annoying voice known to mankind. Voice resembles that of a 12-year-old girl with a weird accent using baby-talk. Her facial expressions also give off the impression that she is a secret bitch and definitely thinks she is better than you in every way.

Is that Heidi Klum on TV? Turn it off before I throw rotten tomatoes at the screen!

Heidi Klum by M. E. Trip December 5, 2010

Heidi Turner 

* I CANNOT LET THIS 1ST DEFINITION SLIDE >:C *

Heidi Turner is actually a girl living in South Park Elementary.
She used to be a nice, smart and funny girl with brown hair until Eric Cartman came (still like the ship though).
She turned into a lazy and stubborn character like Cartman, maybe even worse, in Season 21.

Hope she gets better.

Eric : Heidi Turner is the smartest and funniest girl I've even seen.
Heidi : Oh stop it you c:

Heidi Turner by massive_diarrhea July 15, 2018

hamidity 

The measure of the Hamidness in a given area.

A: Whoa... did you just feel the sudden gust of wind?
B: Yeah... that's because the hamidity just went up.

hamidity by Jacob Wang December 7, 2006