moppin

1. When you're really fucked up and you try to say "muffin", it sounds like moppin.

Sober person: "Hey what you eatin'?"

Pothead: "A moppin..."

by D-Suicide May 23, 2008

muffin

1. A pothead's way of saying "nothin".
2. Shortened version of mother fucking.

1. Dude: Hey what you doing?
Pothead: Muffin... *laughs uncontrollably*

2. Dude: Hey I just smoked all your weed.
Pothead: You muffin bitch! Now I have muffin else to smoke.

by D-Suicide May 21, 2008