What is Grotbag?
1.
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.
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2.
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.
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3.
big plastic bag used to store cum
have you seen my grotbag i'm hungry