horizontal 

to have sex. "horizontal" as in lying down, having sex, but doesn't necessarily mean having sex when lying down.

"Lets get horizontal, baby!"

horizontal by thenico March 9, 2009

horizontal 

Sleeping or lying down

Gosh i'm so tired I really wanna be horizontal right now!

horizontal by FREAK303 June 29, 2011

Horizontal 

an object or line that is ;

1) on its side
2) on its back

Person 1: "hey do you know how i remember the word horizontal?"
Person 2: "No, how?"
Person 1: "Because whores are always on their back"

Horizontal by swaggafied3 December 5, 2011

horizontal 

to be passed out...usually frum drinking but jus plain asleep can qualify also

"I drank so much saturday night, i was totally horizontal all day sunday."

horizontal by juss_peachie January 17, 2006

horizontal 

Usually occurs during a bout of food-poisoning or a night on the beers which can lead to severe pains and abnormalities relating to excretion. Upon going to the toilet for a dump, rather than fall vertically from your backside it will spray, or release horizontally. Called 'doing a horizontal'.

"You might want to be careful when using the toilet, I've just been for a horizontal"

horizontal by murtin December 1, 2006

Horizontal 

The state assumed by some people for up to 15-20 hours a day. It is the opposite of being vertical and consists of sleeping, laying down, general inactivity and lack of motivation to do anything.

"Man I just gotta get horizontal." - Trevan

Horizontal by Coconut Tentacle Monster December 8, 2018

Horizontal 

An insult, meaning extremely boring, almost to the degree of being asleep, like you're talking with a person that is comatose.

That guy is so horizontal, I thought my blank stare was going to get stuck on my face and I would forever be under suspicion of being a serial killer.

Horizontal by WordzGuy April 20, 2011