Definitions by Lizz|Is|Pyro

kerplunk 

The second underground-label album by pop-punk group Green Day. Released in 1992.

Person 1: Have you heard that old Green Day album Kerplunk?
Person 2: Kerplunk? Never heard of it.
Person 1: oh, ok.

kerplunk by Lizz|Is|Pyro August 25, 2006