Bummer!

[Avalon]

I´d like to be reminded of the interjections one can use when something does not work out! Especially british ones...like bollocks! Oh, dear! and so on...but there´s a particular one I just can´t recall, and it´s been bothering me! Darn it! Could you suggest any others?

[Humble]

Hi,
Those other I know are
Jeez! (much better than b...ks)
Shhhugar! (euphemism for s***)