1) Proper Noun: A woman of generally the white race. She often can be seen with ones sibling. This female is often caught wearing KMart jeans while running around on a crack rush. She has multiple piercings that often look terrible next to her pale skin. The sickest part about this creature is that she is dating your brother. Known to be a klepto, the Lutbag generally gets kicked out of ones home. Lutbag is a word to replace ones name, usually that name is unknown. One should be warned to stay away from this individual for she has only be sober for 7 days maximum. Lutbags generally have stretch marks on their stomachs from the babies they had awhile ago and probably forgot about. Lutbags generally have shirts that don't fit properly, exposing bulges that are unsightly.
2) Any girl one may find utterly disgusting because they are so trashy.
1) The muffin top on Lutbag is enough to make enough to make anybody cringe.
2) Wow that lutbag is sucking someones dick on the corner.