why does dead code costs time?

[Ramchandra Apte]

On Sunday, 9 December 2012 22:17:09 UTC+5:30, Mark Lawrence  wrote:
> On 09/12/2012 14:11, Ramchandra Apte wrote:
> 
> >
> 
> > peehole haha
> 
> >
> 
> Double spaced crap from you again not so haha.
> 
> -- 
> 
> Cheers.
> 
> Mark Lawrence.

haha. What does "Cheers" mean?