What does SMH mean?
SMH stands for "shaking my head."
Where did SMH come from?
SMH is what some would insist is an initialism (“an abbreviation formed from initial letters”) and that others would allow to be described as an acronym (“a word (such as NATO, radar, or laser) formed from the initial letter or letters of each of the successive parts or major parts of a compound term; also, an abbreviation formed from initial letters”). Variants include “scratching my head” and SMDH (“shaking my damn head”).
How is SMH used?
SMH often is used to impart a sense of bemused incredulity.
SLG: silly little grin
SMH: shaking my head
SOSO: same old, same old
— news.newusers.questions, 15 Jul. 1994
PLEASE Philip! LOL ( SMH ) = shaking my head. I've been doing the telescope thing for a very long time!
— sci.astro.amateur, 4 Aug. 1998
What I was SMH about is -- why is she being so obnoxious about Julian's relationship with Alexis? Is she JEALOUS? Does she want him back?
— alt.tv.general-hospital, 7 Jan. 2016
Words We're Watching talks about words we are increasingly seeing in use but that have not yet met our criteria for entry.