1 definition by SMF all day irday
SMF is an abbreviation for "Scrunching My Face". One usually will "SMF" when they see something dumb, weird, stupid, or just plain doesnt make sense, or annoys them. One can also "SMF" at a person, when they do something that is dumb, weird, stupid, or just plain doesnt make sense, or annoys you.
by SMF all day irday June 4, 2011