Checkmark 

when someone's penis is bent during an erection. a slang word used to make fun of that said person.

Guy1: Dude that kid flashed me WTF???
Guy2: heh heh he has a checkmark

Checkmark by Tin Cup 23 March 17, 2010

Checkmark Anorexic 

A girl who starves herself for a period of time then eats for the next period of time. like yo-yo dieting.

Anna the Anorexic: Dude, I haven't eaten in days!

Chelsea the Checkmark: Me neither. I don't eat for three days and then eat for one day. I'm a checkmark anorexic.

Anna the Anorexic: ...weirdo.

Checkmark Anorexic by Demma Dilemma December 3, 2009

checkmark 

Used as a verb: To make sure something was done right.

"Get over there and checkmark Jake's work, okay? He's new and still messes up like gangbusters."

checkmark by Shanya Almafeta April 6, 2004

Checkmare 

A checkmare is when somebody through idiocy checkmates themselves

You idiot, you really checkmared yourself there

Checkmare by Leverage1 July 4, 2019

checkmark 

A eupemism for dick (in terms of "giving" or "getting dick")

Can be used as verb or noun.

"Did you checkmark Erica last night?"
"I want a checkmark from that dude over there."

checkmark by Jesse February 7, 2003

Twitter Verified Checkmark 

The Twitter Verified Checkmark is a blue checkmark on twitter. It let's people know if an account is notable. After November 9th 2022, you require a twitter blue subscription to receive a checkmark. You do not need a single follower, you only need twitter blue to get the checkmark.

Twitter blue is starting at $7.99/mo and is only available for purchase on iOS.

I got the Twitter Verified Checkmark yesterday!

Twitter Verified Checkmark by ToolifyStudios November 12, 2022

Twitter verification checkmark 

A blue checkmark next to a Twitter account indicating that some doofus spent 8 dollars to look like a jackass

"John is a pompous douche who thinks he's better than everyone else because he bought a Twitter verification checkmark"

Twitter verification checkmark by Saulman500 February 4, 2024