SMSF

A short slang for ‘so much so funny’
Kenny: I just peed in my pants?!

Lyn: LMAO UR SMSF..
Kenny: I know.
by coochiedestroyer5 November 12, 2020
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SMSFS

Acronym newly formed in online forums. Meaning: Start Making Some Fucking Sense.
"Your posts are incoherent and it seems like you're rambling. Please, learn to type and SMSFS!"
by costa1 September 21, 2005
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