The period of calm after management pisses down on your department for blowing the budget and not getting results. It usually happens before and during blamestorming sessions!
A: Man thats a nice shamebow!
B: Yeah they'll never find the pot of gold on that one!
Blumming is a slang term used for a dry orgasm by men suffering from retrograde ejaculation.
This condition causes the sperm to end up in the bladder, which is why the term of cumming, cum, becomes blumming or blum