Flat Liner

A Gun Used To End Someones Life (The Name Is Self Explanatory)

"Don't Make Me Run Up On Ya With That Flat Liner"
"Yo This Nigga Needs To Die, Ima Hit Him With That Flat Liner"

by HillByNature December 30, 2012

Flatline

The act of not responding to a text, email, chat, or message.

So I got this girl's number at a party, but when I texted her, she flatlined me.

The guy accepted me on facebook, but whenever I chat him he flatlines me

by partyrocklifestyle November 13, 2011

Flatlining

Flatlining: The act of naked planking.

He took his clothes off and was flatlining on the kitchen table

by BIG RAM May 1, 2012

Flatlining

When a person doesn't know hot to kiss and either 1) sits there with a limp, half-open mouth and slobers all over your face or 2) puckers up and is otherwise unresponsive.

Kev: Yo man, that girl Cheyanne totally flatlined me, ugh.
Acquaintance: Ew dude, I hate flatlining! What did you do then?
Kev: I dumped her, HA!

by futchkoleepoels October 24, 2015

Flatliners

A group of male beings that have a love for wanking and drinking till they are completely fucked out of their minds. They aren’t the smartest of all people, they are known to make out with lizzards on the wall and get drunk until they start beating up someone. They have a soft spot for a little thing called “cactus jack”.

Man 1: hey, let’s get drunk
Man 2: no, let’s get flatliners drunk
Man 1: oh fuck

by LeG_KDOG September 1, 2020

flatline

To have intercourse with a person in a rough, physically hurtful manner to the point where their consciousness or life is in question. An exageration of having intercourse to the point of someone dying.

I flatlined that ass so hard she was crying.

by c0d1 February 18, 2011

Flat Liner

An attempted one liner that is not funny at all.

*Kid sees another kid hanging from monkey bars*

"Hey, how's it hanging?"

*crickets*

"That's the definition of a flat liner."

by ADR767 September 9, 2013