A small ball of hair, dust, and / or lint that can be found rolling around the floor, and often under sofas and beds. Sometimes called a "dust bunny". Often looks like a small tumbleweed.
Not un-like shazbot, Foozle is spoken when somthing takes a direction other then the correct one. Mostly used in Computer Science classes when the output of code does not look at all like it should. Also used in golf to describe a lousy swing.