The act of doing something fast or in a quick manner. 'Two shakes of a lamb's tail' is a phrase usually used at cheap hic resturants or your nearest Circut City.
Waiter: "Yes, sir! I'll get those 7 A1 Imported steaks, 4 baby back ribs, 2 side orders of caeser salads including 1000 Island Dressing with extra olives and the tall Black Russian, in two shakes of a lamb's tail!"

Circut City Employee: "Some wires? I'll get that for you in two shakes of a lamb's tail!"
by Phatal August 30, 2003
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A worn out cleche of an expression used by little kids and kindergarden teachers.
I'll be there in two shakes of a lamb's tail.
by Anonymous August 31, 2003
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A term most commonly used amongst the sexually active elderly to describe a gentleman who’s pubic hair has gone white, long and untamed - completely hiding his penis, visually resembling the tail of a lamb. He gives his lady one pump in her front door and one pump in her back door (two shakes) before losing his erection and calling it a night. His lady is less than satisfied, but it’s better than nothing.
Bernie, are you and Irene coming to bingo?”
“No, I’ve gotta get this bitch home to give her Two Shakes of a Lamb’s Tail. See you next week, if we’re not dead yet.”
by LambsTail January 10, 2018
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Soon. Originally from areas in Yorkshire and Wales. Spread throughout the Southern Hemisphere in the nineteenth and twentieth centuries, mostly in parts of Australia and the whole of New Zealand.
Kiwi #1, "Hey bru, have you finished with that beautiful young sheep? Is it my turn yet?"
Kiwi #2, "Yeah cuz, just gimme two shakes of a lamb's tail to clean myself up here. Primo Flossy."
by The Strut September 29, 2004
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A phrase used for saying that you'll be very soon or very quick.
"Go make yourself a drink and i'll be down in two shakes of a lamb's tail" said Mia to Vincent on the intercom in the movie Pulp Fiction.
by 99Ninety December 11, 2021
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