1 definition by Mo Bob

Top Definition
A word used instead of the infamous 'lol' (laugh out loud), which is normally used when talking online. Can be shortened to 'MF.'
Guy #1: OMG I just totally fell over there.
Guy #2: Monkfish!
Guy #1: MF.
by Mo Bob December 20, 2006

Mug icon
Buy a Monkfish mug!