More profane Netspeak variation of
smh, meaning "shaking my motherfucking
head". An expression of
general disdain for an event or statement.
IM
conversation:
Userguy1: So... do you shower every day?
Usergirl25: smmfh...
Userguy1: ...
Userguy1: ...what was that for?
Usergirl25: What kind of
question was that? Of *
course* I shower every day! Don't you?
Userguy1: ...