a term used to describe an enormous task or group of jobs that need completing. The tasks must include physical exertion, thought and take a lot of effort, just like training an elephant.

Different coloured elephants can be used to describe the difficulty of a task along the colour spectrum; red/orange elephants are easiest, blue/purple elephants the most difficult
Q: Are you coming out tonight?
A: Can't, I've got to train an elephant

Q: What are you up to this weekend
A: I'm doing some orange elephant training
Q: That'll only take an hour, come to the bar

Q: How's your essay?
A: Harder then training a blue elephant
by famousmistadave March 9, 2011
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a line of men, each putting one finger up the asshole of the man in front and holding the penis of the man behind.
The frat uses the elephant train in their hazing.
by Susan November 19, 2003
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