1. carniverous animal that consumes mass quantities of food at any given time, also known as a mooch or a bum
2. extremely tempermental psycho abomination that usually takes on the form of a female to stalk its prey of unsuspecting male marines.
3. any person having a ghetto booty or wide hips is known as a grundell.
1. GRUNDELL!!! (kind of like how the asians scream "godzilla")
2. yeah, last week while feeding a grundell at the zoo, i lost most of my arm due to its hungry state.
3. WARNING: do not poke the grundell with a sharp stick.
4. girl your ass is so big you could be a grundell.