Definitions by bobby- ianc crozier made it up

Foobag 

insult; use to lightly insult someone.

Definition: some one who is unintelligent or foolish with the bag part added on to better trounce the targets feelings

you damn foobag! goddamn dude ur such a foobag

Foobag by bobby- ianc crozier made it up December 8, 2003