1.
Worse than a regular skank, a skankbag is a skank who has offended you personally with their skankyness.
That skankbag just hit me with the ball! I'll fuck her up!
2.
A person you hate who is not necessarily a skank, but acts like one in the effort of trying to be a skank /whore or, quite possibly, a slut. In this case can indeed be a male I am referring to who may indeed be a total and complete cunt. Therefore, cunt can be used interchangeably with skank as you see necessary and proper. This person is a douchebagbut that term fails to express their d-bag-ness.
Also this said skankbag (cunt!) may pretend to be friends with you, only to use you to find parties/girls/friends/alcohol and may use you as a ride to reach these said things. Then, after the above things have been obtained may in fact ditch you for these new friends etc. which they used you to get. May even stoop as low as to use going to your house as an excuse for their parents to sleepover somewhere for a whorish party. Now this said Skankbag will no longer bother hanging out with you but may pretend to care just so as to keep future possibilities open, but in fact does not care about you at all and would rather drink and smoke with these new friends and fellow skankbags. A complete assholeand horrible friend, you kinda don't care if they get an STD for being such a fucking cunt!
Wow, Pat turned out to be a total fucking cunt. I can't believe i wasted my time with that skankbag. He can go smoke a dick. He truly is a horrible friend and a manwhore Fuck!
See d-bag, d bag, douchebag, douche bag, cunt, skankbag, skank bag, skank, slut, whore, fuck, asshole, pat, patrick, dickhead, brownnoser, brown noser, armenian, poser, loser, jerk, hater, alcoholic, cuntrag, teabag, sandbag
3.
A skankbag is any person who is being particularly annoying to you at that moment in time. The person being annoyed has the right to call said annoying person a skankbag at any given point in the time of their annoying-ness.
Kaycee: Do you remember that dress you tried on at the store that didn't fit that you really liked?
Taylor: Yes.
Kaycee: Well, I bought it for me and it looks great!
Taylor: You're a skankbag!!!
See skank, bag, skankbag, scank, bagge