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1.
to be overwhelmed (with information, work, etc.); to do something intensely; to be inundated
I'm still drinking from the firehose, learning all about working in this new world that I find myself in.

I've been drinking from the firehose this semester, trying to pass all these chemistry courses.
by Hypercycloid July 17, 2006
 
2.
Drinking from the Firehose is being a part of Stan the man's classes where you get so much information in a short amount of time and lots of information leaks out.
I know that this is a lot of information, so I'm just letting you know. My class is a lot like drinking from the firehose: Lots of information so drink what you can.
by youneedadrink101 April 26, 2010
 
3.
to be overwhelmed (with information, work, etc.); to do something intensely; to be inundated
I'm still drinking from the firehose, learning all about working in this new world that I find myself in.

I've been drinking from the firehose this semester, trying to pass all these chemistry courses.
by Hypercycloid July 17, 2006