Arvin's definitions
When you make a ****ed up joke, you try to cover it, but then you look at all your friends, and you see that they are making a long face and saying moh! Which means, your joke sucks kock!
by Arvin February 7, 2003
Get the Mohmug. 
when you go to a friends house and you drop something edible on the floor, you have to pick it up and eat it REGARDLESS of the 4-second rule
by Arvin March 2, 2004
Get the floor dutymug.