If your stomach makes a particularly loud grumble, or a little air slips accidentally from either passage (front or back) you can acknowledge its passing politely with this little interjection to make it known it was not purposeful.
Usually accompanied with a look of shock from the perpetrator.
A phrase used to indicate a desperate attempt to suicide, meaning you'd be willing to kill yourself with anything, including a spoon which, by the way, is probably the most non-lethal item known to mankind.
Exclamation that describes displeasure on the part of the speaker due to something being distasteful or otherwise sickening or displeasurable. From valspeak, so somewhat archaic. Usage these days is considered silly.
