look up any word, like cleveland steamer:
 
2.
a group of people that consists only on the male persuasion
This party sucks its a total mushroom farm.
by benny_64 March 27, 2009
 
1.
A farm of psychidelic mushrooms on Lime Kiln Middle school grounds run by platypuses.
'I have a proposition to make. I am going to start a mushroom farm. Run by platypuses.'

'Ahah! It's recess! Time to go to the mushroom farm!'
by Nicoleeeeeee. April 10, 2005
 
3.
The workplace. The place where they keep you in the dark all the time and feed you shit constantly.
I woke up one day and realized that I work in a goddam mushroom farm.
by another guy named steve June 19, 2012