A term used to describe anyone who has the following characteristics: lazy, good for nothing, cheap, always drunk, always sober, dancing with a hot chick, dancing with an ugly chick, plays video games all day, wears better clothing then you, wears worst clothing then you, obnoxious, says stupid things, does stupid things, hoards food, sleeps all day, eats all day, pisses in the sink, pees in pools (not while in them, stands on the side and pees in them), likes tequila, hates tequila, eats the last of piece of food, uses the word agwan, and of course eats cheese!
Guy 1, "Hey look at what Duncan is doing!"
Guy 2, "He is such a rat!"
Guy 3, "Wow, what a rat."
Girl 1, "Rat."
Guy 4, "You are all rats!"
Guy 2, "He is such a rat!"
Guy 3, "Wow, what a rat."
Girl 1, "Rat."
Guy 4, "You are all rats!"
by Ian Frith March 30, 2008
Get the ratmug. 
A rat, a bad friend in general but can be pretty cool once you get to know them. Will eat lots and steal food, often leaving their rubbish behind
by yeehaw23 January 7, 2019
Get the Ratmug. Ratting: killing of NPCsin MMORPGsfor loot. Rats are the common first enemy in many RPGs and have become synonymous with easy kills for in-game gold or rewards. Therefore, rats are any NPC character or enemy that is to be killed simply for loot.
Lets get the group together and go ratting.. I want to see what the guys in this zone drop as a reward.
I was ratting in a new zone and a high level player jumped me.
I was ratting in a new zone and a high level player jumped me.
by Daemonwell October 3, 2006
Get the rattingmug. by jedushaterssss December 9, 2019
Get the ratmug. A member of a secret society called the RecRats on the campus of Cottey College in Nevada, Missouri. The organization was banned (after almost 50 years) in 1994. The Rats are commonly associated with severe hazing and verbal abuse. The group resurfaced in 2002 and most likely still exists.
by Dot January 4, 2005
Get the ratmug.