SML 

The YouTube channel which has 9 Million Subscribers but no ads because YouTube will not leave them alone which has caused the creator Logan Thirtyacre to create 6 spinoff channels SLL (Super Luigi Logan), SBL (Super Bowser Logan), SYL (Super Yoshi Logan), SWL (Super Wario Logan), SWL (Super Waluigi Logan), and SDL (Super Daisy Logan). Jesus Christ.

Wow, can you believe YouTube DEMONetized SML?

SML by ANDREW GAMING_YT September 20, 2020

sml 

so much love

"this is the best day ever! sml to my friends for making it happen!"

sml by potatofriesaf February 14, 2015

sml 

So much love

Jena: Josh, sweety, can you please pass me Reese's?
Josh: Sure, honey bee. Here you are.
Ben: Aaaaw, sml.

sml by Sarcastic DuctTape June 6, 2017

SML 

Shortened form for Smile. Just in case you’re texting someone whose phone can’t read emojis

Him: you’re really cute
Her: sml...thanks

SML by Swayshae February 14, 2020

SML 

"STORY (OF) MY LIFE"
Similar to "FML" aka "FUCK MY LIFE".

Broke a mirror today, SML.

SML by penguwin February 24, 2011

SML 

SML stands for "So Massive and Long!"

"That is SML!"

SML by Rarkoosl October 5, 2019

SML 

A Popular YouTuber whos full name is SuperMarioLogan who does nothing but play with puppets and make videos with them destroying stuff with one specific puppet named JEFFY who spanks his diaper all day. Great youtuber though, watch him! Supermariologan

Lovell: Hey Lance, did you watch the latest SML?

Lance: Yeah! I won a free video game from his channel!

SML by AceCubes April 3, 2017