smk 

Super minecraft Kid ( the most cringe thing on all of youtube)

Have you seen smk

ya my ear drums exploded from all the screaming though.

smk by Super MinecraftKid October 7, 2016

SMK 

(smacking my knee) you say this when you think something is funny

omg that is suppper funnny i am smking !!

SMK by cheeseandcrackers85 April 9, 2011

smk 

Shake my Kasia.

(Smk) is in great honour of the amazing polish supermodel Kasia Struss.

Guy 1: I love Natasha Poly
Guy 2: Smk. She sucks!

smk by Keith Tbh January 1, 2012

SMK 

-When laughing so hard you slap you knee.
-Another form of LOL

SMK, that is so funny.
(Slap My Knee)

SMK by DDRA87 September 8, 2010

smk 

a very large and dangerous street gang located in san mateo CA who spend most of their time fighting drinking and having sex

wow man! im never having a party again... smk took over and impregnated my sister

smk by huliaan August 20, 2008

Smk 

Where you smash your keyboard

Person: why did the chicken cross the road cause it want to go to KFC
Person 2: SMK

Smk by WCG847 February 24, 2021

SMK 

SAN MARINO KILLERS!
SP baby! <3 South Pasadena

SMK all the way!

SMK by <3 SPHS November 10, 2010