The phrase "sheep dipped", is commonly used in intelligence circles. It's a way of saying someone has been given an alternate identity. The best known example being Air America, but also in many other covert ops applications. Not necessarily military. "Those who were accepted got "sheep-dipped" and vanished."

Dipping a sheep gets rid of creepy crawlies. Dipping a person figuratively gets rid of details of his/her former life.
SHEEP-DIPPED - Stripping a soldier of his military uniform and identification so he can pose as a civilian during a covert mission.

Lee Harvey Oswald was "sheep dipped" in order to carry on his involvement in the CIA's clandestine activities.
by Ancient Chinese Secret August 28, 2010
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A blatant untruth. A bold faced lie! Synonymous with Bull Shit.
That boy has more Sheep Dip in his back pocket than there is in a whole grazing pasture!
by talk2me-JCH2 January 25, 2021
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a polite redneck expletive most often used when a vulgar expletive would be inappropriate even for a redneck.
Well, sheep dip kids I can't get the truck to start.
by onehandcrabbing October 13, 2012
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Half filled bath of hot soapy water shared amongst friends, used to wash off the disco dirt post clubbing or boozing before everyone crashes out on your sofa and floor.
I've filled the bath if anyone wants a quick sheep dip to wash off the disco dirt, best get in early before it gets sticky!
by ..WiL January 29, 2007
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The word your teacher constantly uses as a substitute for an expletive noun.
I haven't marked your English assignments. Oh, Sheep Dip!
by TGSHS March 20, 2017
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Type of low priced, high alchohol drink see Idiot broth.
He took another huge mouthfull from his can of sheepdip and seconds later redecorated the room with a huge technicolor yawn
by Blue Cawdrey November 21, 2004
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