Look up: Knock-knock

1. Knock Knock
   (song) "`Knock Knock`" is an R&B song written by American rapper-songwriter Missy Elliott and Kanye West for Monica`s third studio album After the Storm (2003). It also was co-produced by Elliott and West, and contains excerpts from 1976`s "It`s a Terrible Thing to W...
   Found on http://en.wikipedia.org/wiki/Knock_Knock
   
   
2. Knock Knock
   (album) `Knock Knock` is Smog`s seventh album, released in January 1999 on Drag City and by Domino in Europe. The album is the fourth and final collaboration with producer and musician Jim O`Rourke. Knock Knock elaborates Callahan`s sound and provides twists and edges to the fol...
   Found on http://en.wikipedia.org/wiki/Knock_Knock
   
   
3. Knock-for-knock
   The effect of a knock-for-knock agreement between insurers is that, in the event of an accident involving more than one insured vehicle, each insurer carries the risk of the damage to the vehicle it has insured. This applies regardless of who may be legally responsible. So that may result in an inno...
   Found on http://www.encyclo.co.uk/local/20912