SMSF
A short slang for ‘so much so funny’
Kenny: I just peed in my pants?!
Lyn: LMAO UR SMSF..
Kenny: I know.
Lyn: LMAO UR SMSF..
Kenny: I know.
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!"