1. Quite simply the bag of a slag, just large enough to hold a fresh pair of panties and a toothbrush, essential for the 21st century slut about town.
2. An offesnive term for a promiscuous slutty looking girl. Often to be shouted from a moving vehicle as said lady is passed on the street. Can be abbreviated to the initials S.B
1. Sharon; "i pulled last night, lucky i had my slag bag, he fucked me all night and my knickers were ruined"
Tracey "nice one you slag"
2. Trev; "oy Kev look at that dirty S.B"
Kev; "oy slaaaag baaaaag"
A girl who can't keep her hands off anyones ball sacks & enjoys sleeping with other people's boyfriends.
They usualy think there some sort of golddigga when really no boy's actualy like them.
'Wow she's really easy'
'who is'
'Tasha of corse'
'Oh she's a rightSlag Bag'