If you have a very large meeting that is critical for technical expertise from a key individual - minimum of $400m of potential business; and the key technical resource decides to not show up nor tell anyone...and flys to Europe.
We got totally dulchinosed on the last deal with our big customer.
Man - everything was going well until we got totally dulchinosed in Silicon Valley
To hedge your bets by hitting on everyone/thing at a party. This is to ensure that at the end of the night no matter how drunk you are you have someone to go screw. Derives from "dutching" which means to place mulitple bets on the same race and Vaughan, relating to the famous singer/womanizer.
"You know Cheryl is horny tonight, she is already dutching the Vaughan all across this party"