big plastic bag used to store cum
have you seen my grotbag i'm hungry
A term used to refer to another person who is disgusting and dirty having performed/partaken in disgusting and dirty act(s).
James you're such a grotbag, i cannot believe you boshed that mess last night.
An overweight, wheezing, ugly, wart infested, crusty, haggard member of the female sex.
Man you got so wasted last night you pulled a right grotbags.
A miserable old witch. Originated from the UK from a childrens show.
Theresa is such a grotbag today.
There is a grotbag living in that hut down the street.