The diet version of a carbonated soft drink made by Coca-cola (formerly known as Coke)
Although not yet proven, many doctors feel that some of the sugar substitutes may cause cancer
hence, the commonly used term "cancer in a bottle"
"Doctor, why has my husband gotten cancer??"

"I'm sorry Jane, it appears that he has recently been drinking Diet Coke"
by defiler19 April 11, 2010
Get a Diet Coke mug for your boyfriend Jerry.
Customer: one Diet Coke please.
Mechanic: do you mean battery acid?
Customer: is that not what I said?
by BigTimeRushIsC00l July 15, 2019
Get a Diet coke mug for your dog Abdul.
A person who will many times be known as a trix. One who does not have all the flavor and has a poor aftertaste. A person who follows. Many times known as a f***ing Brian
Jack is just a Diet Coke, dude. He adds nothing to our group flavor as a whole.
by FoPaSean March 25, 2007
Get a Diet Coke mug for your guy Julia.
Forerly a diet cola this variation of Coke was modified by midwesterners much like coke and cherry coke to carry non-beverage like connotations. Diet Coke refers to something gay and is used as a tactful way of insult.
That pink and Purple Miata is Diet Coke. Those guys on queer eye are Diet Coke. That blonde spikey haircut of yours is diet coke.
by Nathan Voelker & Drew Fitch October 03, 2004
Get the Diet Coke neck gaiter and mug.
When a person of very large frame drinks Diet Coke with there meals.
WFAN commentator Mike Francesia is a diet coke fatso. We all know one and laugh every time.
by ObanaitisMan June 05, 2009
Get a Diet Coke Fatso mug for your mate Manafort.
1. Girls with nasty, thinning hair. Also applicable to guys with long hair.

- Can be straight or curly and any color
"That girl be wearing weave cuz she got that diet coke hair"
"She fine but she got that diet coke hair"
by matt 10isking December 30, 2017
Get a diet coke hair mug for your sister-in-law Jovana.
1. Someone who cant go one day (or one hour) without drinking a diet coke.

2. Someone who goes to the bathroom frequently as a result of drinking too much diet coke.

3. A person who is skinny because they use diet coke as a way to feel full, instead of eating food.
"You drank that whole pack of diet coke already?! Its only been in the fridge for one day! You are such a diet coke head!"

-She is always running off to the bathroom.
-Yeah shes such a diet coke head.
by caffeinequeen October 23, 2007
Get a diet coke head mug for your coworker Trump.