SML
SML definition by Slang.net - The Slang Dictionary
This page explains what the acronym "SML" means. The definition, example, and related terms listed above have been manually compiled and written by the Slang.net team.
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In messages from those who love you, SML stands for "so much love." This affectionate acronym is a great way to end an email or text message sent to someone you care for.
Those who have received a message that ends with SML may now be asking themselves: How much love, exactly, is SML meant to convey? While scientists have yet to quantify SML, it is safe to say that the amount of love it contains lies somewhere between an intense, motherly hug and a marriage proposal.