MK

nickname for Mary-Kate Olsen. Used by fans and Mary-Kate's friends.

MK's sunglasses are bigger than her head.

by imacarnie August 18, 2005

MK

A community college in MoCo, MD-Montgomery College

AKA Harvard on the Pike

Tracey: Where does she go to school?
Nicole: MK-not smart enough for UMD.

by amanda December 24, 2003

MK

A hobbit that leaves feet hair and constantly clogs any toilet by leaving mini dead gerbils.

Why did you go MK in the bathroom?

by high5er April 22, 2010

MK

An abbreviation for "missionary kid."

Her parents are Christian missionaries and she grew up in Peru as an MK.

by Hankle June 13, 2006

MK

n.- a person (typically female) who uses cocaine in excess, to the point which she must claim to suffer from an eating disorder to justify her drastic weight loss.

n.- not referring to Mary Kate Olsen. Where did you get that?

Kendra has turned into a total MK since she started dating Dwayne and hanging around busted-ass homies.

by S-money and B-Killa January 5, 2006

MK

he IS god and has a GARGANTUAN p word that is ALWAYS dripping, sopping even
mk is a certified MAN. ENJOYER. also certified FEET. and PEE. enjoyer
he is a self-labeled OMEGA. MALE.
his p word is FAT and his brain is PEA SIZED !

you: "mk oh my god drip your sopping p word in my direction"
mk: "stop this tomfoolery"

you: "mk, mk, can women drive??!?!?!"
mk: "no"

by deeznuts411 December 10, 2021

MK

MK is the shortened version of "Sending Femboy Furry Porn"

He decided to troll soo he pulled an mk

by DumbLovesFemBoys October 4, 2022