look up any word, like swag:

2 definitions by hum dinger dinger

 
1.
When a girl/woman wears a very tight shirt causing the side of the shirt near the boobs to form lines
That girls shirt is so tight, you can see the boob lines.

The boob lines on that girl make me want to do things.
by hum dinger dinger July 17, 2009
 
2.
When a moment in time reaches an awkard silence and is used to break the silence; a random outburst
While working on his homework in the quiet classroom, the student proclaimed "HUM DINGER DINGER" because of the annoying silence
by hum dinger dinger July 17, 2009