Oprah Winfrey -- Watch Me Do the Limbo at the Oscars! (PHOTO)

Oprah Winfrey took an awesome shortcut to press some flesh Sunday night ... much to the consternation of security.

Oprah ducked under the velvet rope as a security dude gritted his teeth, in clear fear O might go down. It's unclear where she was going, but she was definitely in a hurry.