(also mmbl.) n. a mumbled sound of gossip, as in the graphic novels Uzumaki 2 and Uzumaki 3 by Junji Ito.
mf.
adj. mezzo forte (a musician’s directive to perform a passage moderately loudly).
mf krz nt vmiss.
n. a presumably off-color line of dialogue mumbled by the character “Kenny” from the animated television series South Park (Matt Graham, “South Park: Angband comes to South Park”).
mff.
interj. the grunt of a sore loser at checkers, as in The Essential Calvin and Hobbes by Bill Watterson; see also gnnk.
n. a muffled expression of pain and surprise.
<“Holler for me if you—mff!” Kootie had stumbled on a high curb and fallen to his knees. —Tim Powers, Expiration Date>
