What is bumbag?

A waist bag that is near your bottom this term is used in England

All right calm down mark go get ya Bumbag

bumbag - meme gif

When one receives anal by another man in the hope he will be given a bag of cocaine

Derry received a bumbag bashing off big Dave

basically a bitch who doesnt shut the fuck up and is always annoying. In other words, some one who you would kill

you bumbag look what ya did